Lanxess (VEYX Pharma) Virkon S
By Lanxess (VEYX Pharma)
Last reviewed: December 2025
Virkon S is a broad-spectrum disinfectant proven effective against over 500 pathogens including bacteria, viruses, and fungi. Trusted worldwide for farm...
Overview
Virkon S is one of the most trusted disinfectants in agricultural biosecurity, with proven efficacy against over 500 strains of pathogens including bacteria, viruses, fungi, and even some spores. It's EPA-registered and approved for use in dairy farm environments.
Key Features
Applications for Dairy Farms
Footbath Protocols
Virkon S is commonly used in entry footbaths at recommended dilution rates. The color indicator helps staff know when solution needs replacement.
Equipment Disinfection
Ideal for disinfecting milking equipment, calf feeding equipment, and veterinary tools between uses.
Vehicle Tires
Spray application for delivery trucks, veterinarian vehicles, and farm equipment entering biosecure areas.
Dosage Guidelines
| Application | Dilution Rate |
|-------------|---------------|
| General disinfection | 1:100 (1%) |
| High-risk areas | 1:50 (2%) |
| Footbaths | 1:100 (1%) |
| Fogging | 1:200 (0.5%) |
Safety Considerations
Why Dairy Farmers Choose Virkon S
The product's proven track record in controlling disease outbreaks, combined with its ease of use and visual efficacy indicator, makes it a staple in dairy biosecurity programs across North America.
Key Features
- Exceptional Viral Efficacy: Proven against over 100 viral strains including BVD, IBR, rotavirus, and coronavirus
- Broad-Spectrum Action: Effective against bacteria, fungi, and viruses in a single product
- Color Indicator System: Visual confirmation of proper dilution and solution activity
- Powder Formulation: Stable storage and easy mixing for working solutions
- Veterinary Gold Standard: Specified by authorities worldwide for disease response
- Surface Compatible: Safe for most facility surfaces when properly diluted
Ideal For
Farm Types: Commercial dairy operations, Genetic suppliers and AI studs, Calf raising facilities, Veterinary practices
Pricing Information
Here is the pricing information for Virkon S:
EPA-registered broad-spectrum disinfectant powder, widely used in livestock biosecurity.
Pricing Model: Per unit/volume pricing
Available through veterinary distributors, farm supply stores, and online ag retailers.
Pros & Considerations
- Industry-leading broad-spectrum efficacy
- Exceptional viral pathogen coverage
- Convenient powder formulation with long shelf life
- Visual color indicator system
- Globally recognized veterinary standard
- Effective in hard water conditions
- Premium pricing reflects superior performance
- Powder requires mixing before use
- Some metal corrosion possible with prolonged contact
Evaluation Questions
Key questions to consider when evaluating Virkon S:
- What specific pathogens are you most concerned about?
- Are you dealing with an active disease situation or preventive use?
- What surfaces and equipment need disinfection?
- Do you prefer powder or ready-to-use formulations?
- What is your water quality (hardness affects some products)?
- Do you need a product for outbreak response protocols?
- What application methods will you use (spray, fog, immersion)?
- What is your budget for premium biosecurity products?