Dozens of sheep on farms across Devon have given birth to deformed or dead lambs due to the Schmallenberg virus.
As lambing gets under way it's thought hundreds of lambs in the area will either born dead or badly deformed and will have to be put down.
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The whole region staying clear overnight with warm temperatures.
Temperatures remain high up to 12C inland.
Until now the ground has just been too waterlogged to let them out to graze.