SCOPS says select the right wormer as worm ‘wake up’ in warmer spring weather

Vigilance and appropriate product choice will be essential to protect young lambs over the coming days and weeks, warns the Sustainable Control of Parasites in Sheep (SCOPS) group, as the difficult spring continues to challenge flocks.

Speaking on behalf of SCOPS, Lesley Stubbings said: “SCOPS is urging farmers to remain vigilant, as the level of risk for nematodirus is now very high in some areas of the country. While many producers are still getting over the impact of the cold and wet weather, the bouts of warmer conditions, however welcome, mean no one can afford to rest on their laurels.

“Many lambs are at an age (six to 12 weeks) when they are at risk of the disease – made even worse this year, as ewes have struggled with the adverse weather conditions and lambs have been forced to eat more grass than usual to supplement limited milk supplies.”

A free and easy-to-use forecasting service is available from SCOPS, enabling farmers, vets and advisors to check the level of risk in their area. The interactive map can be found HERE.

Ms Stubbings added: “The warm weather last week has also led to the other worm species ‘waking up’ with reports of relatively high counts in some lambs. This indicates that starting to do some faecal eggs counts (FECs) now is a good idea.

“While white wormers remain the product of choice to kill the Nematodirus worms, farmers may need to swap away from these drenches if other worm types need addressing on their farm. This is because resistance to white wormers is widespread in many species of worm other than Nematodirus. Speak to your vet or adviser for advice on product choices.”

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