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

COWS launches lungworm survey

28th March 2024

The Control of Worms Sustainably (COWS) group has launched a survey for vets to find out more about lungworm and its treatment across the UK. Through the survey, COWS hopes to learn more about when outbreaks of lungworm are occurring, what class of stock is most affected, what clinical signs are seen and how well … Continued

Protecting pasture biodiversity

30th January 2024

Reducing potential harmful effects on the environment before applying wormer treatments to cattle is at the centre of livestock Integrated Pest Management (IPM). Research carried out in the USA by Dr Bryony Sands puts some meaningful data behind IPM principles. Many classes of veterinary pesticides have negative environmental impacts on beneficial pasture insects, in particular … Continued

Later than normal challenge from liver fluke this January

4th January 2024

COWS and SCOPS liver fluke experts met recently and agreed that as predicted, the strange weather patterns of 2023 have had a significant impact on the level and timing of the risk of liver fluke disease across the UK. This was initiated by the dry cold spring, hot early summer, and extremely wet July and … 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