{"id":19327,"date":"2026-07-30T13:58:56","date_gmt":"2026-07-30T06:58:56","guid":{"rendered":"https:\/\/www.vietstock.org\/?p=19327"},"modified":"2026-07-29T14:08:00","modified_gmt":"2026-07-29T07:08:00","slug":"farm-disinfectants-livestock-housing","status":"publish","type":"post","link":"https:\/\/www.vietstock.org\/en\/industry-news\/farm-disinfectants-livestock-housing\/","title":{"rendered":"Farm Disinfectants for Livestock Housing: Active Ingredient Groups, Selection Criteria, and Safety Notes"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Farm disinfectants are chemical or bio-based products used to kill, inactivate, or reduce pathogens on livestock-housing surfaces, equipment, vehicles, pathways, and other areas involved in animal production.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They are an important component of farm biosecurity, but a disinfectant cannot compensate for poor cleaning, uncontrolled access, contaminated equipment, wet bedding, or ineffective waste management.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In practice, disinfection performance depends on several connected factors:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The target pathogen;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The amount of manure and organic matter present;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The active ingredient and product formulation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dilution concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface material;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temperature and moisture;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Whether animals are present;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The ability of workers to follow the procedure consistently.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A product that performs well in an empty concrete pig house may not be suitable for routine application in an occupied poultry house. Similarly, a low-odor product used for daily access control may not provide the level of activity required after a serious disease event.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For this reason, farms should select disinfectants by <\/span><b>use scenario and pathogen-control objective<\/b><span style=\"font-weight: 400;\">, not only by price, habit, or advertising claims.<\/span><\/p>\n<h2><b>Professional and Safety Note<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This article provides general reference information and does not replace product labels, manufacturer instructions, veterinary advice, or guidance from the competent animal-health authority.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When a serious infectious disease is suspected or confirmed, farms should follow the disease-control instructions issued by the responsible veterinary authority. Concentrations should not be increased arbitrarily, and different disinfectants should not be mixed unless the product manufacturer has provided clear compatibility instructions.<\/span><\/p>\n<h2><b>Key Takeaways<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There is no single disinfectant that performs equally well against every pathogen and under every farm condition.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mechanical cleaning is essential because manure, mud, bedding, feed residues, and biofilms can reduce the activity of many disinfectants.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product selection should consider the target pathogen, housing status, surface type, contact time, corrosion risk, worker safety, and whether animals are present.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some products may be suitable for occupied livestock areas, but this must be confirmed on the label of the specific product.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aldehydes, strong alkalis, phenolic products, and high-concentration chlorine products generally require stricter controls and are more suitable for empty housing.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Correct dilution does not mean using the strongest possible solution. Excessive concentration can increase toxicity, corrosion, residue, and operating cost.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths and vehicle-disinfection points lose effectiveness when contaminated with soil, manure, rainwater, or organic matter.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Different chemical groups should not be mixed without explicit manufacturer guidance.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A complete disinfection program should include cleaning, application, contact time, drying or ventilation, documentation, and periodic review.<\/span><\/li>\n<\/ul>\n<h2><b>1. Where Disinfectants Fit Within Farm Biosecurity<\/b><\/h2>\n<figure id=\"attachment_19308\" aria-describedby=\"caption-attachment-19308\" style=\"width: 820px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19308\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891121-612x612-1.jpg\" alt=\"Worker disinfecting a livestock housing area as part of farm biosecurity\" width=\"830\" height=\"553\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891121-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891121-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 830px) 100vw, 830px\" \/><figcaption id=\"caption-attachment-19308\" class=\"wp-caption-text\">Disinfection supports farm biosecurity but must be combined with access control, cleaning, equipment hygiene and disease monitoring.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Disinfection is one control layer within a broader biosecurity system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A complete program may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Farm-access control;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Separation of clean and dirty zones;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicle and visitor management;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quarantine of incoming animals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaning of tools and equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Waste and mortality management;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rodent, insect, and wild-animal control;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feed and water hygiene;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vaccination;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease surveillance;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Livestock-housing disinfection.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Disinfectants help reduce pathogen pressure, but they do not replace these other measures.<\/span><\/p>\n<h3><b>Cleaning and disinfection are different activities<\/b><\/h3>\n<p><b>Mechanical cleaning<\/b><span style=\"font-weight: 400;\"> removes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manure;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bedding;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mud;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dust;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feed residues;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Grease;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biofilm;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other organic matter.<\/span><\/li>\n<\/ul>\n<p><b>Disinfection<\/b><span style=\"font-weight: 400;\"> applies a suitable product to reduce or inactivate pathogens remaining after cleaning.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Spraying disinfectant onto a surface still covered with manure usually wastes product and may leave large areas insufficiently treated.<\/span><\/p>\n<h3><b>Disinfection and decontamination<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The term <\/span><b>disinfection<\/b><span style=\"font-weight: 400;\"> generally refers to reducing disease-causing microorganisms on surfaces and in the environment.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The term <\/span><b>decontamination<\/b><span style=\"font-weight: 400;\"> is often used more broadly in high-risk situations where farms need to reduce pathogen contamination as far as practicable through coordinated cleaning, chemical treatment, isolation, waste handling, and access control.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The exact terminology may differ among product labels, technical protocols, and regulatory documents.<\/span><\/p>\n<h2><b>2. Select the Use Scenario Before Selecting the Product<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The same farm may need several disinfectant products for different purposes.<\/span><\/p>\n<h2><b>Scenario 1: Routine access control<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Typical treatment areas include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Farm entrances;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicle wheels;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tools entering controlled areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Staff-changing areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Delivery points.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The product should be:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suitable for frequent use;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatible with the treated materials;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Easy to prepare;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stable for the required period;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Effective under the level of contamination expected;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Safe for workers when used correctly.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The solution should be replaced when visibly dirty or when it has exceeded the manufacturer\u2019s recommended use period.<\/span><\/p>\n<h2><b>Scenario 2: Routine disinfection during production<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">When animals remain in the building, the farm must use only a product specifically labelled or recommended for that use.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selection should consider:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animal species;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Age and production stage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ventilation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spray-droplet size;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respiratory sensitivity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact with feed and water;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Re-entry or exposure instructions.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A product belonging to a generally lower-toxicity group is not automatically safe to spray over animals.<\/span><\/p>\n<h2><b>Scenario 3: Empty housing between production cycles<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">After animals are removed, the farm has more flexibility to carry out:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry cleaning;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Washing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biofilm removal;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface treatment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment disinfection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Longer contact periods;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ventilation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drying.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This stage may allow the use of stronger products when appropriate, provided the housing remains empty until all safety and re-entry conditions have been completed.<\/span><\/p>\n<h2><b>Scenario 4: Preparation before restocking<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Before a new herd or flock arrives, the farm should verify that:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaning has been completed;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surfaces are dry or in the condition required by the product;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disinfection has covered all target areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time has been completed;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feeders and drinkers have been rinsed if required;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chemical odour has dissipated;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ventilation has been completed;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The building is safe for animals to enter.<\/span><\/li>\n<\/ul>\n<h2><b>Scenario 5: Suspected or confirmed disease event<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">In a high-risk disease situation, product selection should be based on:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suspected pathogen;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product efficacy claim;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Required concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface and organic-matter conditions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temperature;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease-control instructions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Areas requiring treatment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Frequency of application.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The farm should not automatically repeat its routine weekly product when a higher-risk pathogen is involved.<\/span><\/p>\n<h2><b>3. Main Active Ingredient Groups<\/b><\/h2>\n<figure id=\"attachment_19310\" aria-describedby=\"caption-attachment-19310\" style=\"width: 859px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19310\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2173156245-612x612-1.jpg\" alt=\"Disinfectant containers, measuring cup and spray bottle used for farm sanitation\" width=\"869\" height=\"579\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2173156245-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2173156245-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 869px) 100vw, 869px\" \/><figcaption id=\"caption-attachment-19310\" class=\"wp-caption-text\">Farm disinfectants contain different active ingredients, each with its own efficacy, limitations and safety requirements.<\/figcaption><\/figure>\n<h2><b>3.1 Chlorine-Releasing Compounds<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This group includes products that release active chlorine, such as:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sodium hypochlorite;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Calcium hypochlorite;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chloramine-based products;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other chlorine-releasing formulations.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Active chlorine acts through oxidation and may be effective against many bacteria, viruses, and fungi when the correct product concentration, contact time, and surface conditions are achieved.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relatively broad activity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rapid action under suitable conditions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Common availability;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Generally low cost;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Useful for many environmental and equipment applications.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organic matter can greatly reduce effectiveness;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some products have a strong odour;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High concentrations may corrode metals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product activity may decline during storage or after dilution;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Light, temperature, pH, and water quality may affect some formulations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Improper mixing can release dangerous gases.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Depending on the product:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaned floors and walls;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Empty housing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicle-treatment points;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water-system treatment where specifically permitted;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease-control programs when the label supports the target pathogen.<\/span><\/li>\n<\/ul>\n<h3><b>Important warning<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Chlorine products must not be mixed with:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acids;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vinegar;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ammonia;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nitrogen-containing cleaners;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other chemicals unless the manufacturer specifically confirms compatibility.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Such mixtures may release toxic gases.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Potassium permanganate is an oxidizing agent and is not a chlorine compound. It should be treated as a separate substance and used only according to suitable technical instructions.<\/span><\/p>\n<h2><b>3.2 Iodine and Iodophors<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Iodophor products release iodine in a form designed to improve stability and handling. PVP-iodine is one commonly recognized example.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These products may provide relatively broad activity against bacteria, many viruses, and fungi when used under appropriate conditions.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Broad use across many routine farm-hygiene situations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Often less corrosive than strong chlorine solutions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some formulations may be approved for use in occupied areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Useful for certain equipment, entry-control, and environmental applications.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organic matter can reduce performance;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some products may leave yellow or brown staining;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cost may be higher than basic chlorine products;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Performance against spores and highly resistant pathogens depends on the formulation and label claim.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Depending on the product:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Routine farm sanitation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Selected occupied-area applications;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surfaces where strong corrosion is a concern.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The label of the actual commercial product should be checked rather than assuming that every iodophor has the same safety and efficacy profile.<\/span><\/p>\n<h2><b>3.3 Quaternary Ammonium Compounds<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Quaternary ammonium compounds, commonly called QACs, include active ingredients such as benzalkonium chloride.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They are widely used in routine cleaning and disinfection programs.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Generally low odour;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lower corrosion risk on many materials;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Convenient for frequent use;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some formulations combine cleaning and disinfection properties;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Certain products may be suitable for occupied livestock areas.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organic matter can reduce activity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Soap and anionic detergents may inactivate or weaken QACs;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Activity may be limited against spores;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Many non-enveloped viruses are more resistant;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The group may be unsuitable for some high-risk pathogen-control objectives.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Depending on the formulation:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Routine disinfection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clean surfaces;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Occupied areas where the product label permits;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lower-corrosion applications.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The farm should not use a QAC immediately after an incompatible detergent without rinsing the surface or cleaning the equipment as required.<\/span><\/p>\n<h2><b>3.4 Aldehydes<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The aldehyde group includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Formaldehyde or formalin;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Glutaraldehyde;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Combination products containing aldehydes and other active ingredients.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aldehydes may have a broad spectrum of activity and may provide stronger performance under suitable conditions. Some formulations can act against highly resistant organisms when used correctly.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Broad activity under controlled conditions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">May be more stable than some other groups in the presence of limited organic contamination;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">May be considered for high-level empty-housing treatment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some combination products provide extended activity.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Significant inhalation, skin, and eye risks;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong and persistent odour;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requires strict personal protection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Requires controlled ventilation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">May require a long re-entry period;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unsuitable for routine uncontrolled use around animals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Formaldehyde requires particularly careful risk management.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Completely empty housing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Controlled terminal disinfection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-risk situations under veterinary or technical supervision;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Applications where sufficient ventilation and waiting time are available.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Workers should not enter treated areas until the required ventilation and re-entry conditions have been met.<\/span><\/p>\n<h2><b>3.5 Peroxygen Compounds<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This group may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hydrogen peroxide;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peracetic-acid formulations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peroxymonosulfate products;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other oxygen-releasing disinfectants.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">They act through oxidation and may provide broad activity when the correct formulation and application conditions are used.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Broad activity in many commercial formulations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some products break down into substances with lower persistence;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Selected formulations may be used in occupied areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Useful for surfaces, equipment, and certain water-system applications when labelled.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cost may be higher;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some products are sensitive to heat and light;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Concentrated products may be corrosive;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong formulations may irritate skin, eyes, and respiratory tissues;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Storage conditions are important.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Depending on the product:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Empty-housing treatment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water systems;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Occupied-area applications specifically permitted on the label;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Programs targeting a broad range of pathogens.<\/span><\/li>\n<\/ul>\n<h2><b>3.6 Phenols and Phenolic Derivatives<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Phenolic products include active ingredients such as cresol and other phenolic derivatives.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They may be effective against many bacteria and some enveloped viruses and can retain activity better than certain disinfectants in environments containing organic material.<\/span><\/p>\n<h3><b>Practical advantages<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Relatively persistent activity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">May perform better than some groups in partially contaminated conditions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Can be cost-effective;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Useful for selected environmental applications.<\/span><\/li>\n<\/ul>\n<h3><b>Practical limitations<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Toxicity risks to people and animals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Particularly unsuitable for some sensitive species, including cats;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong odour;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Potential environmental persistence;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limited activity against many non-enveloped viruses;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Not suitable for food-contact surfaces unless specifically permitted;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Generally unsuitable for occupied housing unless the label clearly allows use.<\/span><\/li>\n<\/ul>\n<h3><b>Best suited for<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Selected empty-housing applications;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Non-food-contact environmental areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Situations where the formulation matches the target pathogen and surface.<\/span><\/li>\n<\/ul>\n<h2><b>3.7 Alkalis, Quicklime, and Related Materials<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This group includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quicklime or calcium oxide;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hydrated lime or calcium hydroxide;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sodium hydroxide;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other alkaline substances used in specific sanitation programs.<\/span><\/li>\n<\/ul>\n<h3><b>Quicklime and hydrated lime<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Lime may help increase environmental pH and reduce the survival of some pathogens under suitable conditions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is commonly considered for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pathways;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surrounding ground;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Selected floor areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Environmental support measures.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">However, lime does not eliminate all pathogens and cannot replace a complete disinfection program.<\/span><\/p>\n<h3><b>Sodium hydroxide<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sodium hydroxide is a highly corrosive strong alkali. It may inactivate certain pathogens under controlled conditions but presents serious risks to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Skin;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eyes;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respiratory tissues;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metals and other materials;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wastewater systems.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">It should only be used under a defined technical procedure in empty areas.<\/span><\/p>\n<h3><b>Practical limitations of alkalis<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Performance depends on concentration, pH, moisture, and contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organic matter can interfere with application;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong alkalis are dangerous to workers;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Material damage may occur;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animals must be excluded;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thorough rinsing or neutralization may be required according to the procedure.<\/span><\/li>\n<\/ul>\n<h2><b>4. Comparison of Active Ingredient Groups<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The following table provides a qualitative comparison. Actual performance depends on the specific commercial product, formulation, label concentration, contact time, temperature, pH, organic matter, and target pathogen.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Active ingredient group<\/b><\/td>\n<td><b>General activity profile<\/b><\/td>\n<td><b>Organic-matter sensitivity<\/b><\/td>\n<td><b>Corrosion risk<\/b><\/td>\n<td><b>Worker-safety concern<\/b><\/td>\n<td><b>Typical use context<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chlorine compounds<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Broad against many bacteria, viruses, and fungi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderate to high<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cleaned surfaces, equipment, empty housing<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Iodophors<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Broad routine activity<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderate to high<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Generally lower<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low to moderate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Routine use, equipment, selected occupied areas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">QACs<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Stronger against many bacteria and enveloped viruses<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Generally lower at label concentration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Routine sanitation and selected occupied areas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Aldehydes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Broad, potentially including resistant organisms under suitable conditions<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Lower than some groups<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low to moderate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Empty-housing terminal disinfection<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Peroxygen compounds<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Broad in many formulations<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Variable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderate at high concentration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Moderate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Empty housing, equipment, selected occupied applications<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Phenolic compounds<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Good against many bacteria and enveloped viruses<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Relatively more tolerant<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Selected empty environmental areas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Alkalis and lime<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Variable and highly condition-dependent<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Variable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High for strong alkalis<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ground, empty housing, controlled specialist use<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">This table should not be used as a substitute for a product\u2019s efficacy claim.<\/span><\/p>\n<h2><b>5. How to Match a Product to the Target Pathogen<\/b><\/h2>\n<figure id=\"attachment_19312\" aria-describedby=\"caption-attachment-19312\" style=\"width: 973px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19312\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2221712678-612x612-1.jpg\" alt=\"Worker applying disinfectant inside an occupied cattle housing area\" width=\"983\" height=\"655\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2221712678-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2221712678-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><figcaption id=\"caption-attachment-19312\" class=\"wp-caption-text\">Disinfectant selection should consider the target pathogen, product efficacy, housing conditions and whether animals are present.<\/figcaption><\/figure>\n<h2><b>Enveloped viruses<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Enveloped viruses are often more susceptible to disinfectants than non-enveloped viruses.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Depending on the formulation and application conditions, several groups may be considered, including:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chlorine compounds;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Iodophors;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QACs;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aldehydes;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peroxygen products.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Examples often discussed in livestock production include influenza viruses, Newcastle disease virus, and African swine fever virus.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For serious diseases, farms should use products with efficacy information relevant to the target pathogen and follow official disease-control guidance.<\/span><\/p>\n<h2><b>Non-enveloped viruses<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Non-enveloped viruses are generally more resistant to many routine disinfectants.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some QAC products may provide insufficient control. Farms should prioritize products with a clear label claim or technical evidence for the target virus.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Product selection should consider:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface cleanliness;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temperature;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Formulation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease-control instructions.<\/span><\/li>\n<\/ul>\n<h2><b>Bacteria<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Many disinfectant groups can reduce bacterial contamination when used properly.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, performance can be affected by:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biofilm;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manure;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Grease;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface cracks;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hard water;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incompatible detergents;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Insufficient contact time.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cleaning remains essential even when using a broad-spectrum bactericidal product.<\/span><\/p>\n<h2><b>Fungi<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Iodophors, chlorine products, aldehydes, and peroxygen products may provide antifungal activity depending on the formulation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Persistent moisture problems should also be corrected. Chemical treatment alone will not solve fungal growth caused by leaks or inadequate ventilation.<\/span><\/p>\n<h2><b>Bacterial spores<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Spores are more resistant than ordinary vegetative bacterial cells.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Only selected formulations and conditions may provide effective sporicidal action. The product label should clearly support the intended use.<\/span><\/p>\n<h2><b>Parasites and coccidial oocysts<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Routine disinfectants may not reliably control all parasite eggs or oocysts.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Control may require:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Removal of organic matter;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drying;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heat;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Environmental management;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Specialized products;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veterinary guidance.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A general disinfectant should not be assumed to replace a parasite-control program.<\/span><\/p>\n<h2><b>6. Selection by Housing Status<\/b><\/h2>\n<h2><b>Empty livestock housing<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">When the building is empty, selection may prioritize:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Broad pathogen activity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-level terminal disinfection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Treatment of hidden surfaces;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Longer contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ability to ventilate;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Re-entry interval;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatibility with equipment.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Aldehydes, selected peroxygen products, chlorine products, and other strong formulations may be considered when the label and risk-control conditions permit.<\/span><\/p>\n<h2><b>Housing with animals present<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Only use products specifically approved or labelled for this application.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Potential product groups may include selected:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QAC formulations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Iodophors;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peroxygen formulations.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Before use, confirm:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animal species;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Application concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spray method;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Required ventilation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Distance from feed and water;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Exposure limitations;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Re-entry or drying conditions.<\/span><\/li>\n<\/ul>\n<h2><b>Feeders and drinkers<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The product should be suitable for surfaces that contact feed or water.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">After disinfection:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rinse when required;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove residues;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Allow surfaces to dry;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Refill only after completing label instructions.<\/span><\/li>\n<\/ul>\n<h2><b>Vehicles<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Vehicle products should account for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mud and manure contamination;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metal surfaces;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tires;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Undercarriage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Loading compartments;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corrosion;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wastewater control.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Vehicle washing should precede chemical treatment.<\/span><\/p>\n<h2><b>Footbaths<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The selected product should be:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stable for the intended period;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suitable for footwear materials;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Effective under the expected environmental conditions;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replaced when contaminated.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A footbath full of mud and manure should not be considered functional simply because it still contains liquid.<\/span><\/p>\n<h2><b>7. Selection by Surface Material<\/b><\/h2>\n<figure id=\"attachment_19314\" aria-describedby=\"caption-attachment-19314\" style=\"width: 938px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19314\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891104-612x612-1.jpg\" alt=\"Worker spraying disinfectant on the floor and structures of a livestock barn\" width=\"948\" height=\"632\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891104-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1338891104-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><figcaption id=\"caption-attachment-19314\" class=\"wp-caption-text\">Surface type affects disinfectant performance, application coverage and the risk of corrosion or material damage.<\/figcaption><\/figure>\n<h2><b>Concrete<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Concrete is durable but porous.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Effective treatment may require:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Removal of organic matter;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pressure washing where appropriate;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attention to cracks;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Adequate solution volume;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Full contact time.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Strong chlorine, alkalis, or oxidizers may affect surfaces or embedded metal over repeated use.<\/span><\/p>\n<h2><b>Compacted soil<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Liquid disinfectants may be absorbed or neutralized by soil and organic matter.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Environmental management may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Removing contaminated material;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drying;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lime application where appropriate;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Improving drainage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Limiting access.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The farm should not assume that routine surface spraying will adequately disinfect deep soil contamination.<\/span><\/p>\n<h2><b>Wood<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Wood is porous and difficult to disinfect.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It can retain:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Moisture;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organic matter;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Biofilm;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pathogens in cracks.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Cleaning and drying are especially important. Strong chemicals may damage the material.<\/span><\/p>\n<h2><b>Metal<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Selection should consider corrosion.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">High concentrations of:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chlorine;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peroxygen products;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong alkalis;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">may damage metal components.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Rinsing, drying, and equipment maintenance may be required.<\/span><\/p>\n<h2><b>Plastic and rubber<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Many plastics and rubber materials tolerate routine disinfectants at label concentration. However, repeated exposure to strong oxidizers, phenols, aldehydes, or concentrated alkalis may reduce durability.<\/span><\/p>\n<h2><b>8. Selection by Farm Type and Operating Capacity<\/b><\/h2>\n<figure id=\"attachment_19316\" aria-describedby=\"caption-attachment-19316\" style=\"width: 1065px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19316\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2276192725-612x612-1.jpg\" alt=\"Protected worker using spray equipment in a large livestock facility\" width=\"1075\" height=\"715\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2276192725-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2276192725-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 1075px) 100vw, 1075px\" \/><figcaption id=\"caption-attachment-19316\" class=\"wp-caption-text\">Large farms may require separate disinfectant products and application systems for housing, vehicles, equipment and access points.<\/figcaption><\/figure>\n<h2><b>Large industrial farms<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">These farms may need separate products for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Empty housing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Occupied areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water lines;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease emergencies.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Selection should consider:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Automated dosing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Application volume;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Worker training;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chemical storage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Monitoring records;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compatibility with farm equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Supplier technical support.<\/span><\/li>\n<\/ul>\n<h2><b>Medium-scale farms<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The program should balance:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spectrum of activity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cost per treated area;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ease of dilution;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Worker safety;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment availability;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Frequency of use.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Using fewer products may simplify operations, but one product should not be forced into applications for which it is unsuitable.<\/span><\/p>\n<h2><b>Smallholder farms<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Affordable products may include selected chlorine products, QAC products, or lime-based environmental measures.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, low cost should not replace attention to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Correct measurement;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Protective equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaning;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Safe chemical storage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Protection of animals and water sources.<\/span><\/li>\n<\/ul>\n<h2><b>9. A Practical Product-Selection Checklist<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Before buying a disinfectant, check the following.<\/span><\/p>\n<h3><b>Product information<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The product has a clear label;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Active ingredient and concentration are stated;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Manufacturer or responsible supplier is identified;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Expiry date is valid;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Storage conditions are clear;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Instructions are available in a language understood by workers.<\/span><\/li>\n<\/ul>\n<h3><b>Target application<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Empty housing or occupied housing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicle or pathway;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feed and water contact;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbath;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease emergency;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Routine weekly sanitation.<\/span><\/li>\n<\/ul>\n<h3><b>Target pathogen<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bacteria;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Enveloped virus;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Non-enveloped virus;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fungus;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spore;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Specific disease agent.<\/span><\/li>\n<\/ul>\n<h3><b>Farm conditions<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Level of organic contamination;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water quality;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temperature;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surface material;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ventilation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Available contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corrosion sensitivity.<\/span><\/li>\n<\/ul>\n<h3><b>Safety<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Required personal protective equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Re-entry interval;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rinsing requirement;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animal-exposure limitation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chemical incompatibilities;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wastewater-disposal instructions.<\/span><\/li>\n<\/ul>\n<h3><b>Operational practicality<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dilution accuracy;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cost per treated area;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment compatibility;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product stability after dilution;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Supplier technical support;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Worker-training requirements.<\/span><\/li>\n<\/ul>\n<h2><b>10. Why Cleaning Determines Disinfection Performance<\/b><\/h2>\n<figure id=\"attachment_19318\" aria-describedby=\"caption-attachment-19318\" style=\"width: 1006px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19318\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2275953428-612x612-1.jpg\" alt=\"Worker disinfecting livestock pen surfaces after the cleaning process\" width=\"1016\" height=\"676\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2275953428-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-2275953428-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 1016px) 100vw, 1016px\" \/><figcaption id=\"caption-attachment-19318\" class=\"wp-caption-text\">Thorough cleaning removes manure and organic matter that can reduce the effectiveness of farm disinfectants.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">The most common reason for poor disinfection is not always the wrong active ingredient. It is often incomplete cleaning.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Organic matter may:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shield pathogens;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">React with the disinfectant;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lower the active concentration;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Prevent surface contact;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Support biofilm;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contaminate the solution in footbaths or spray systems.<\/span><\/li>\n<\/ul>\n<h3><b>Recommended preparation sequence<\/b><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove animals where the procedure requires empty housing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove manure and bedding;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove feed residues;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry-clean dust and loose material;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wash surfaces;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apply detergent when appropriate;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rinse;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Allow surfaces to drain or dry as required;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apply disinfectant;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Maintain contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rinse if required;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry and ventilate;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confirm re-entry safety.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">The exact sequence may vary by product and facility.<\/span><\/p>\n<h2><b>11. Dilution and Mixing Control<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Incorrect dilution may result in either insufficient activity or excessive chemical exposure.<\/span><\/p>\n<h3><b>Good dilution practices<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Read the label before preparation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use a calibrated measuring tool;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Check the required product-to-water ratio;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use suitable water;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Prepare only the quantity needed;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Label the mixing container;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Record the preparation time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use the solution within the recommended period;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clean equipment after use.<\/span><\/li>\n<\/ul>\n<h3><b>Example of a simple dilution record<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Date and time<\/b><\/td>\n<td><b>Product<\/b><\/td>\n<td><b>Batch number<\/b><\/td>\n<td><b>Dilution rate<\/b><\/td>\n<td><b>Water volume<\/b><\/td>\n<td><b>Prepared by<\/b><\/td>\n<td><b>Application area<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u2026<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>Do not estimate by colour or smell<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A darker solution or stronger smell does not prove that the concentration is correct.<\/span><\/p>\n<h3><b>Do not mix products arbitrarily<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A mixture may:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Release toxic gas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reduce active ingredients;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Create precipitates;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Damage equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Increase worker exposure;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Produce an unknown efficacy profile.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Use one product according to its own instructions.<\/span><\/p>\n<h2><b>12. Application and Contact Time<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The application method should match the product and treatment objective.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Methods may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low-pressure spraying;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Foaming;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fogging where specifically permitted;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Brushing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Soaking;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wiping;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spreading dry material;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Automated dosing.<\/span><\/li>\n<\/ul>\n<h3><b>Surface coverage<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">In empty housing, a logical route may be:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ceiling and upper structures;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Walls;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feeders and drinkers;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Floors;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drains;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Entry points;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tools and mobile equipment.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Special attention should be given to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cracks;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Corners;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Undersides of equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Slatted-floor areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drainage points;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Door handles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Loading zones.<\/span><\/li>\n<\/ul>\n<h3><b>Contact time<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The treated surface should remain under the required product conditions for the full contact period.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Disinfection may fail if:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The solution dries too quickly;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The farm rinses too early;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rain dilutes the product;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Workers walk through the area;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The surface was not completely covered.<\/span><\/li>\n<\/ul>\n<h2><b>13. Footbath and Vehicle-Disinfection Management<\/b><\/h2>\n<h2><b>Footbaths<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A footbath program should define:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Product;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dilution;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fill level;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replacement schedule;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaning frequency;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Responsible person;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Location;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Method for removing mud before entry.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Footbaths should not be placed where rainwater or soil continuously enters the tray.<\/span><\/p>\n<h2><b>Vehicle treatment<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The sequence should generally include:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove manure and mud;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wash wheels, undercarriage, body, and loading compartment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Allow drainage where required;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apply the disinfectant;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Maintain contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Control runoff;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Record the treatment.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Spraying disinfectant over thick mud does not provide reliable vehicle decontamination.<\/span><\/p>\n<h2><b>14. Frequency of Disinfection<\/b><\/h2>\n<figure id=\"attachment_19321\" aria-describedby=\"caption-attachment-19321\" style=\"width: 1018px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19321\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1178779802-612x612-1.jpg\" alt=\"Veterinary professionals examining cattle in a livestock housing facility\" width=\"1028\" height=\"685\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1178779802-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-1178779802-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 1028px) 100vw, 1028px\" \/><figcaption id=\"caption-attachment-19321\" class=\"wp-caption-text\">Disinfection frequency should reflect animal health, production stage, farm traffic, seasonal conditions and current disease risks.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">There is no universal schedule for every farm.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Frequency should reflect:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Animal species;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Production stage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stocking density;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Farm layout;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease history;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Season;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rainfall;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Visitor and vehicle frequency;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Building occupancy;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Current disease alerts.<\/span><\/li>\n<\/ul>\n<h3><b>Routine conditions<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The farm may define different frequencies for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Housing surfaces;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbaths;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tools;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Loading areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dead-animal areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feed-delivery points.<\/span><\/li>\n<\/ul>\n<h3><b>Elevated disease risk<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">When disease risk increases, farms may need to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Restrict access;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Increase cleaning;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Treat high-risk routes more frequently;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Separate equipment by area;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Update active ingredients;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Consult veterinary authorities.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Increasing frequency without improving cleaning may not improve control.<\/span><\/p>\n<h2><b>15. Worker Safety<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Workers mixing or applying disinfectants may face exposure through:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inhalation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Skin contact;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eye splashes;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Accidental ingestion;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contaminated clothing.<\/span><\/li>\n<\/ul>\n<h3><b>Personal protective equipment may include<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chemical-resistant gloves;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Safety goggles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Face shield;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Protective clothing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rubber boots;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respiratory protection appropriate to the product.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The exact equipment should follow the product\u2019s safety information.<\/span><\/p>\n<h3><b>After application<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Workers should:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wash hands and exposed skin;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clean reusable protective equipment;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove contaminated clothing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wash work clothing separately;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Report symptoms;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Follow first-aid instructions after exposure.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Symptoms requiring attention may include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eye irritation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Persistent coughing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Breathing difficulty;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dizziness;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nausea;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Skin burns;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Prolonged discomfort.<\/span><\/li>\n<\/ul>\n<h2><b>16. Chemical Compatibility Warnings<\/b><\/h2>\n<h3><b>Chlorine and acids<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Mixing chlorine with acids may release chlorine gas.<\/span><\/p>\n<h3><b>Chlorine and ammonia<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Mixing chlorine with ammonia or nitrogen-containing compounds may form toxic chloramine gases.<\/span><\/p>\n<h3><b>QACs and anionic detergents<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Soap or anionic detergents may reduce QAC activity.<\/span><\/p>\n<h3><b>Strong oxidizers and other chemicals<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Combining oxidizers with aldehydes, organic chemicals, or unknown products may cause dangerous reactions.<\/span><\/p>\n<h3><b>Switching products<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Before changing to another chemical:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Empty the sprayer;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Rinse the tank;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clean hoses;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flush nozzles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remove residue;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confirm material compatibility.<\/span><\/li>\n<\/ul>\n<h2><b>17. Chemical Storage and Waste Management<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Disinfectants should be stored:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In original labelled containers;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In a cool, dry, ventilated area;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Away from direct sunlight;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Away from feed and drinking water;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Away from children and animals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">With incompatible chemicals separated.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Do not:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transfer chemicals into beverage bottles;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Store products without labels;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use expired chemicals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Burn containers without authorization;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bury containers arbitrarily;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Discharge concentrated product into drains or surface water.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Wastewater should be managed so it does not contaminate:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ponds;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Canals;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wells;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Watercourses;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Neighbouring farms;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Domestic water sources.<\/span><\/li>\n<\/ul>\n<h2><b>18. Common Disinfection Failures<\/b><\/h2>\n<h3><b>Spraying before cleaning<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> Organic matter blocks and inactivates the product.<\/span><\/p>\n<h3><b>Using too little product<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> The active concentration or surface volume is insufficient.<\/span><\/p>\n<h3><b>Using excessive concentration<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> It increases cost, toxicity, corrosion, and residue without guaranteeing better performance.<\/span><\/p>\n<h3><b>Ignoring contact time<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> The product is removed or dries before completing its required action.<\/span><\/p>\n<h3><b>Missing hidden surfaces<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> Pathogens remain under equipment, in cracks, or around drains.<\/span><\/p>\n<h3><b>Using an occupied-area product incorrectly<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> Incorrect concentration or spray method may expose animals and workers.<\/span><\/p>\n<h3><b>Failing to replace footbath solution<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> The disinfectant becomes diluted or contaminated.<\/span><\/p>\n<h3><b>Reusing the same program without review<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> Target pathogens, farm conditions, products, or cleaning quality may have changed.<\/span><\/p>\n<h3><b>Allowing animals to re-enter too early<\/b><\/h3>\n<p><b>Why it fails:<\/b><span style=\"font-weight: 400;\"> Wet surfaces, chemical vapour, or residue may create health risks.<\/span><\/p>\n<h2><b>19. How to Evaluate Whether the Program Is Working<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A disinfectant program should not be judged only by smell or visual appearance.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Farms can review:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cleaning records;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dilution records;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Application coverage;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contact time;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Footbath condition;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vehicle-treatment logs;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Worker compliance;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disease patterns;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Environmental microbiology results where available;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Productivity and mortality trends;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recurring high-risk locations.<\/span><\/li>\n<\/ul>\n<h3><b>Questions for a periodic review<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are surfaces clean before spraying?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are workers measuring the product accurately?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Is the selected product appropriate for the current pathogen risk?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are contact times completed?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are footbaths clean?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are vehicles washed before treatment?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are animals re-entering too early?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Is the same product being used for every application?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are corrosion or respiratory issues increasing?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are records sufficient to identify repeated failures?<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The review should consider the entire biosecurity program, not disinfectant use alone.<\/span><\/p>\n<h2><b>20. Frequently Asked Questions<\/b><\/h2>\n<figure id=\"attachment_19323\" aria-describedby=\"caption-attachment-19323\" style=\"width: 883px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19323\" src=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-479322632-612x612-1.jpg\" alt=\"Frequently asked questions graphic for a guide to farm disinfectants\" width=\"893\" height=\"595\" srcset=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-479322632-612x612-1.jpg 612w, https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/istockphoto-479322632-612x612-1-300x200.jpg 300w\" sizes=\"(max-width: 893px) 100vw, 893px\" \/><figcaption id=\"caption-attachment-19323\" class=\"wp-caption-text\">Answers to common questions about disinfectant selection, application frequency, occupied housing and farm safety.<\/figcaption><\/figure>\n<h3><b>Can disinfectants be sprayed while animals are present?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Only use a specific product when its label or manufacturer explicitly permits application in occupied livestock areas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selected QAC, iodophor, or peroxygen products may be suitable, but not every product within these groups is approved for this purpose.<\/span><\/p>\n<h3><b>How often should a farm disinfect housing?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">There is no universal frequency. The schedule should reflect species, production stage, housing conditions, movement level, season, and disease risk.<\/span><\/p>\n<h3><b>Can quicklime replace commercial disinfectants?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">No. Lime may support environmental management in suitable areas but does not provide complete control of all pathogens.<\/span><\/p>\n<h3><b>Which products should be used for African swine fever or avian influenza?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Use products with suitable efficacy information and follow official veterinary guidance. Farms should not select a product based only on colour, smell, price, or general advertising.<\/span><\/p>\n<h3><b>Are low-odour products always safer?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">No. Odour does not reliably indicate toxicity or animal safety. Read the product label and safety information.<\/span><\/p>\n<h3><b>Can the farm mix two disinfectants to increase effectiveness?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Not unless the manufacturer specifically confirms the mixture. Chemical combinations may reduce effectiveness or release hazardous substances.<\/span><\/p>\n<h3><b>Can diluted disinfectant be stored for the next day?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Only if the manufacturer allows it. Some diluted solutions lose activity rapidly.<\/span><\/p>\n<h3><b>Can disinfectant be applied directly over manure?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">This is generally ineffective. Organic matter should be removed before treatment.<\/span><\/p>\n<h3><b>Does stronger concentration shorten contact time?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Not necessarily. Concentration and contact time must follow the product instructions.<\/span><\/p>\n<h3><b>How can a farm compare product costs?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Compare the cost per correctly treated area or volume, not only the price per bottle. Include dilution, application volume, labour, equipment, corrosion, and frequency of use.<\/span><\/p>\n<h2><b>Explore Disinfection and Biosecurity Solutions at VIETSTOCK 2026<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Effective disinfection begins with selecting the right product for the target pathogen, production stage, housing conditions, surface material, and safety requirements. It also depends on mechanical cleaning, correct dosing, complete surface coverage, sufficient contact time, and consistent implementation by farm workers.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">At <\/span><b>VIETSTOCK 2026<\/b><span style=\"font-weight: 400;\">, livestock producers, farm managers, veterinary professionals, animal-health companies, equipment manufacturers, and biosecurity specialists can explore solutions supporting livestock-housing hygiene and disease prevention.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Visitors can:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compare<\/b><span style=\"font-weight: 400;\"> disinfectant products for empty housing, occupied areas, vehicles, equipment, and access-control points.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Explore<\/b><span style=\"font-weight: 400;\"> dosing, mixing, spraying, foaming, and solution-distribution equipment for different farm scales.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Discover<\/b><span style=\"font-weight: 400;\"> cleaning systems for livestock housing, feeders, drinkers, tools, vehicles, and loading areas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Connect<\/b><span style=\"font-weight: 400;\"> with animal-health companies, equipment suppliers, and biosecurity solution providers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Discuss<\/b><span style=\"font-weight: 400;\"> how to integrate cleaning and disinfection into broader disease-control and farm-management programs.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Expected to feature more than <\/span><b>300 brands<\/b><span style=\"font-weight: 400;\">, over <\/span><b>10,000 sqm of exhibition space<\/b><span style=\"font-weight: 400;\">, and <\/span><b>13,000 trade visitors<\/b><span style=\"font-weight: 400;\"> from more than <\/span><b>40 countries and territories<\/b><span style=\"font-weight: 400;\">, VIETSTOCK 2026 creates opportunities for farms and businesses to compare technologies and build specialized connections across the livestock and animal-health value chain.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Alongside the exhibition and business-networking activities, <\/span><b>VIETSTOCK 2026<\/b><span style=\"font-weight: 400;\"> will also organize an <\/span><b>On-Farm Seminar Series<\/b><span style=\"font-weight: 400;\">, bringing practical knowledge on herd and flock management, disease prevention, biosecurity, and livestock-production efficiency to key livestock regions.<\/span><\/p>\n<p><b>Date:<\/b><span style=\"font-weight: 400;\"> 21\u201323 October 2026<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Venue:<\/b><span style=\"font-weight: 400;\"> Saigon Exhibition and Convention Center \u2013 SECC, 799 Nguyen Van Linh Street, Tan My Ward, Ho Chi Minh City, Vietnam<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Event website:<\/b><a href=\"https:\/\/www.vietstock.org\/en\/\"> <span style=\"font-weight: 400;\">https:\/\/www.vietstock.org\/en\/<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\ud83d\udc49 <\/span><b>Register to visit VIETSTOCK 2026 and explore disinfection, livestock-housing cleaning, and biosecurity solutions:<\/b><b><br \/>\n<\/b><a href=\"https:\/\/www.vietstock.org\/en\/online-registration-2\/\"> <span style=\"font-weight: 400;\">https:\/\/www.vietstock.org\/en\/online-registration-2\/<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\ud83d\udc49 <\/span><b>Learn more about the VIETSTOCK 2026 On-Farm Seminar Series:<\/b><b><br \/>\n<\/b><a href=\"https:\/\/www.vietstock.org\/en\/event-features\/vietstock-2026-livestock-roadshows-bringing-industry-knowledge-to-key-livestock-regions\/\"> <span style=\"font-weight: 400;\">https:\/\/www.vietstock.org\/en\/event-features\/vietstock-2026-livestock-roadshows-bringing-industry-knowledge-to-key-livestock-regions\/<\/span><\/a><\/p>\n<p><b>CONTACT INFORMATION:<\/b><\/p>\n<p><b>Exhibiting:<\/b><span style=\"font-weight: 400;\"> Ms. Sophie Nguyen \u2013 Sophie.nguyen@informa.com<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Visitor Support:<\/b><span style=\"font-weight: 400;\"> Ms. Phuong \u2013 Phuong.C@informa.com<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Marcom Support:<\/b><span style=\"font-weight: 400;\"> Ms. Anita Pham \u2013 Anita.pham@informa.com<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to choose farm disinfectants based on active ingredients, target pathogens, livestock housing conditions and surface materials. This guide also covers cleaning, dilution, contact time and essential safety practices for effective farm biosecurity.<\/p>\n","protected":false},"author":3,"featured_media":19329,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Farm Disinfectants: Selection, Use and Safety Guide<\/title>\n<meta name=\"description\" content=\"Explore farm disinfectant groups, selection criteria, application procedures and essential safety practices for effective livestock housing biosecurity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vietstock.org\/en\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Farm Disinfectants: Selection, Use and Safety Guide\" \/>\n<meta property=\"og:description\" content=\"Explore farm disinfectant groups, selection criteria, application procedures and essential safety practices for effective livestock housing biosecurity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\" \/>\n<meta property=\"og:site_name\" content=\"Vietstock Expo and Forum\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-30T06:58:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-29T07:08:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/farm-disinfectants-livestock-housing-safety-guide.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data1\" content=\"24 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vietstock.org\/#website\",\"url\":\"https:\/\/www.vietstock.org\/\",\"name\":\"Vietstock Expo and Forum\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.vietstock.org\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/#primaryimage\",\"inLanguage\":\"en\",\"url\":\"https:\/\/www.vietstock.org\/wp-content\/uploads\/2026\/07\/farm-disinfectants-livestock-housing-safety-guide.jpg\",\"width\":1200,\"height\":675,\"caption\":\"Choosing the right farm disinfectant supports pathogen control and effective livestock biosecurity.\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/#webpage\",\"url\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\",\"name\":\"Farm Disinfectants: Selection, Use and Safety Guide\",\"isPartOf\":{\"@id\":\"https:\/\/www.vietstock.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/#primaryimage\"},\"datePublished\":\"2026-07-30T06:58:56+00:00\",\"dateModified\":\"2026-07-29T07:08:00+00:00\",\"author\":{\"@id\":\"https:\/\/www.vietstock.org\/#\/schema\/person\/caaf897414eac1b9f130df4ddb9e34d6\"},\"description\":\"Explore farm disinfectant groups, selection criteria, application procedures and essential safety practices for effective livestock housing biosecurity.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/#breadcrumb\"},\"inLanguage\":\"en\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vietstock.org\/en\/\",\"url\":\"https:\/\/www.vietstock.org\/en\/\",\"name\":\"Trang ch\\u1ee7\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\",\"url\":\"https:\/\/www.vietstock.org\/tin-nganh\/thuoc-khu-trung-chuong-trai\/\",\"name\":\"Farm Disinfectants for Livestock Housing: Active Ingredient Groups, Selection Criteria, and Safety Notes\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.vietstock.org\/#\/schema\/person\/caaf897414eac1b9f130df4ddb9e34d6\",\"name\":\"vietwatercc\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.vietstock.org\/#personlogo\",\"inLanguage\":\"en\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1f8963694a555b77c6f4e61284c4fadb?s=96&d=mm&r=g\",\"caption\":\"vietwatercc\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/posts\/19327"}],"collection":[{"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/comments?post=19327"}],"version-history":[{"count":3,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/posts\/19327\/revisions"}],"predecessor-version":[{"id":19332,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/posts\/19327\/revisions\/19332"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/media\/19329"}],"wp:attachment":[{"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/media?parent=19327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/categories?post=19327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietstock.org\/en\/wp-json\/wp\/v2\/tags?post=19327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}