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This is the main biosecurity practice used to minimise the risk and control the spread of animal-borne diseases.

Clean in and out

The key rule is to always 'clean in and out'.

This means that all vehicles, protective clothing and equipment should be cleansed and disinfected before and after contact with livestock and areas where livestock is kept.

All mud, dung and other matter should be soaked with disinfectant before removal. Disinfectant is made less effective by the presence of such materials.

Remember: you should always use a Defra approved disinfectant.

Infection Control

Advice for people


Should be clean and free from adhesions after cleansing and disinfection.


Wash by machine if soiled by material that may be contaminated.

Handling stock

Thoroughly wash and disinfect hands.

Advice for vehicles, machinery and equipment


  • All surfaces should be washed including wheel arches.


  • Check all wheels for accumulation of animal manure and soil.
  • Always check the inner wheel rim surface close to any stub axles or frames.


  • It is essential that all tyres are thoroughly washed before moving off.
  • Mud left on tyres and thrown at speed contaminates roads and vehicles.


  • Clean the inside of the cab etc.
  • Make sure that manure and other soil material is not carried on the pedals.
  • Pay particular attention to footwells.

After moving stock

  • Thoroughly wet all parts of the vehicle that have had contact with animals with disinfectant.
  • Remove all litter, dung etc.
  • Soak all parts again with disinfectant.
  • Disinfect anything used in connection with the transportation of livestock.

Further information

This is not an authoritative statement of the law and is intended for guidance only. Refer to the legislation for more detailed information.

For any further information please contact us.

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