SCOPS warns that sheep farmers must be on their guard against Nematodirus now that the weather has warmed up. Such a sudden change from cold days and frosty nights is when Nematodirus is at its most dangerous with a mass hatch of over-wintered parasites forecast. Farmers are urged to consult their vet or adviser with regard to local risks and treat lambs that are at risk.
Check for regular updates and warnings here.
Nematodirosis is a particularly nasty disease in lambs, causing a high number of mortalities and stunting the growth of many others. It is caused by the worm, Nematodirus battus, which has a different life-cycle to other sheep worms. Under certain climatic conditions it can strike very quickly, with little or no warning.
Read more on Nematodirosis now.