The important nematode infections of sheep are mostly refined to the gastrointestinal system. Clinical problems are more commonly seen in lambs than in adult sheep, though this varies with they type of nematode. They can cause substantial economic loss both in mortality and in reduced growth rate of lambs. | The important nematode infections of sheep are mostly refined to the gastrointestinal system. Clinical problems are more commonly seen in lambs than in adult sheep, though this varies with they type of nematode. They can cause substantial economic loss both in mortality and in reduced growth rate of lambs. |