A pestivirus causing abortion often of brown, anasarcous foetus which may be mistaken for scouring if early in pregnancy (ewe barren at lambing time). Live lambs are born early ''hairy shakers'' small, weak, hairy lambs with skeletal abnormalities. | A pestivirus causing abortion often of brown, anasarcous foetus which may be mistaken for scouring if early in pregnancy (ewe barren at lambing time). Live lambs are born early ''hairy shakers'' small, weak, hairy lambs with skeletal abnormalities. |