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Wormer resistance increasing

Farmers must know wormers are effective: HCC.
Farmers must know wormers are effective: HCC.

OVERSEEN by Hybu Cig Cymru – Meat Promotion Wales (HCC), a project is underway to look at the effectiveness of wormers for eliminating parasitic diseases in sheep.

Early results from a sample of 25 farms have revealed that resistance to wormers is increasing. These include wormer treatments that were previously considered effective at eradicating parasites in sheep.

The findings of this work will be discussed in greater detail during five meetings at Lampeter, Aberystwyth, Brecon, Welshpool and Llanrwst.

“Anthelmintic resistance means that a wormer loses effectiveness because a proportion of the worms survive treatment,” said Lynfa Davies, Technical Development Executive at HCC. “This is an important issue and will affect the sustainability of the sheep industry in Wales if not taken seriously. Knowing whether wormers are working effectively on your farm can be checked by undertaking a simple test with your vet. Using the correct treatments will increase productivity and save you money.”

Eurion Thomas from Techion is carrying out the research on behalf of HCC. He will present the results in greater detail during the meetings.

A number of vets across Wales have been involved in this work from the outset, and they will use their local knowledge to refer to case studies from across the country.

Neil Paton MRVS from the Welsh Regional Veterinary Centre will also provide an update on his recent work on a common parasitic disease, liver fluke.

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Dayne Stone

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