We’re pleased to announce that Virkon® S has regained its position on the DEFRA list of approved disinfectants. This reinforces what our customers already know - Virkon® S is a reliable, high-performance disinfectant which stands up to the most demanding biosecurity needs.

What Does DEFRA Approval Mean?

DEFRA (the Department for Environment, Food & Rural Affairs) maintains a list of disinfectants officially approved for use in controlling notifiable animal diseases under UK law.

Being DEFRA approved means a product has been rigorously tested and:

• Meets strict efficacy standards for use against serious animal diseases
• Is authorised for use during disease outbreaks and on farms with official control measures
• Is recognised by government and industry as effective in maintaining biosecurity

Key Applications of Virkon® S

1.     Livestock Farming

·         Disinfection of animal housing, feeding equipment, water systems

·         Used in routine farm hygiene and during outbreak control

2.     Veterinary and Animal Transport

·         Used to clean surgical areas, transport crates, and quarantine zones

·         Suitable for cleaning vehicles entering/exiting biosecure sites

3.     Poultry, Pig, and Dairy Facilities

·         Applied via spray, footbaths, or fogging to reduce pathogen load

·         Helps control diseases like Newcastle disease, ASF, and Avian Influenza

4.     Agricultural Environments

·         Reduces cross-contamination risks

·         Safe on food contact surfaces when used as directed

Why This Matters for You

Proven Effectiveness

DEFRA approval confirms that Virkon® S works where it matters most — in real-world biosecurity applications.

Trusted by Professionals

Virkon® S is the product of choice for many veterinarians, farmers, and government agencies, and its DEFRA listing reinforces its credibility and widespread use.

Peace of Mind During Outbreaks

When biosecurity threats emerge, you need to know your disinfectant is officially recognised and ready for emergency use - Virkon® S gives you that assurance.

Compliance and Assurance

Using DEFRA-approved products can be a requirement for compliance during disease control programs, inspections, or audits.

Conclusion: A Smart, Approved Choice

With its reinstatement on the DEFRA approved disinfectants list, Virkon® S remains a top-tier, trusted solution for disease control and biosecurity. Whether you're looking to protect livestock, meet compliance obligations, or respond to an outbreak, Virkon® S offers proven performance and peace of mind.

Where can I find out more?

Contact the Day-Impex team for expert advice around our range of DEFRA-Approved Animal Health solutions. 

Protect your operation with a product that’s officially approved, scientifically proven, and globally trusted.