Things to do now

Always read the label and ask advice from a vet, vet pharmacist or SQP before deciding which product to use

Things to do now

Always weigh cattle or use a weigh band to calculate the correct dose for each animal

Things to do now

Check meat and milk withdrawal periods for each product before administration

Things to do now

For advice on managing parasite infections in sheep visit

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What is COWS?

Control Of Worms Sustainably (COWS) is a voluntary initiative aiming to provide the best available, evidence-based information to the beef and dairy cattle industries in relation to the sustainable control of both internal and external parasites.

COWS funders

As a voluntary initiative, COWS is kindly funded by: AgriSearch, AHDB, AHDA, AHDB Beef & Lamb, AHDB Dairy, AMTRA, HCC, NFU, NOAH and QMS. COWS also works closely with SCOPS.

Latest Press

Fluke warning from COWS and SCOPS as treatment options reduce

12th October 2021

A dry, cool spring across most of the UK, followed by some hot, dry spells over the summer, means the liver fluke risk is generally going to be low this autumn and winter. However, the Sustainable Control of Parasites in Sheep (SCOPS) and Control of Cattle Parasites Sustainably (COWS) groups say producers need to test … Continued

Clean grazing plan prevents worm problems

25th August 2021

Wiltshire organic dairy farmer Dai Wilson ensures all first season grazing calves go out into fields that have not had cattle the previous 12 months. The clean grazing policy at Starveall Farm, Bishopstone keeps any potential worm populations to a minimum, saving time and money in products and administration. “We haven’t had liver fluke or … Continued

A statement from SCOPS and COWS on Anthelmintics and the Environment

22nd June 2021

SCOPS and COWS Principles are based on the responsible use of medicines such as anthelmintics, flukicides, and ectoparasiticides. Our aim is to ensure these products are only used when necessary and ideally supported by a diagnosis or a risk assessment that confirms the need to protect animals from a genuine risk of disease.  This approach … Continued

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COWS Members

  • AgriSearch
  • AHDA
  • AHDB
  • Animal and Plant Health Agency
  • Bishopton Veterinary Group
  • British Cattle Veterinary Association
  • Farm First Vets
  • HCC
  • Mark Jelley
  • Moredun
  • NFU
  • NOAH
  • QMS
  • SRUC
  • University of Liverpool
  • Veterinary Medicines Directorate