Surface and Farm Equipment Disinfection

Surface Disinfection

The level of disease-causing organisms present after basic cleaning can remain high enough to offer a serious disease challenge to livestock. Using a proven disinfectant such as Virkon™ S against viruses, bacteria, fungi, and moulds is essential.

Surface DisinfectionDilution RateApplication
Routine Disinfection for all surfaces, earth, wood, and concrete1:100
(10 grams of Virkon™ S to every 1 litre of water)
Using a pressure washer or other mechanical sprayer, apply Virkon™ S solution at an application rate of 300 ml/m2

Surface Application Usage Chart

To estimate the total surface area to be disinfected, including walls and ceilings, multiply the total floor area by 2.5.

Dilution Rate
Routine Disinfection and UK DEFRA General Orders 1:100 (1 %)
1:200 (0.5 %)
UK DEFRA Diseases of Poultry Orders 1:280
Surface Area to be Disinfected
Volume of Water Required
Quantity of Virkon™ S to be added
50 m250 litres150 g75 g54 g
100 m230 litres300 g150 g107 g
500 m2150 litres1.5 kg750 g536 g
1000 m2300 litres3 kg1.5 kg1.071 kg
2500 m2750 litres7.5 kg3.75 kg2.68 kg
  • 1. Decide on the volume of disinfectant solution required at the appropriated dilution rate.
  • 2. Measure out the appropriate quantity of Virkon™ S powder to achieve the desired dilution rate.
  • 3. Add the Virkon™ S powder to the water and stir thoroughly to dissolve.
  • 4. Using a pressure washer or other mechanical sprayer, apply Virkon™ S solution at an application rate of 300ml/m<sup>2</sup>.

Farm Equipment Disinfection

All farm equipment must be thoroughly cleaned and disinfected prior to use or transfer between sites to remove any potential disease-causing organisms and cross contamination.

Farm Equipment DisinfectionDilution RateApplication
Routine cleaning and disinfection of movable farm equipment1:100
(10 grams of Virkon™ S to every 1 litre of water)
Using a brush or pressure washer, wash all equipment in Virkon™ S solution until visibly clean

The specified uses and registered claims for Virkon™ S may vary from country to country. Please contact LANXESS directly to verify country-specific approved usages.