Sheep farmers are urged to look carefully at the risk to their lambs.
Check out the nematodirus forecast now
The SCOPS nematodirus forecast predicts the hatch date for Nematodirus based on temperature data from 140 weather stations throughout the UK.
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