The introduction of BVD virus to a herd can result in significant losses particularly if there are a large number of susceptible animals...

Cattle remain antibody positive for years after exposure to BVD virus so to determine if there is evidence of recent exposure to BVD...

It may not be necessary to blood sample every animal in the herd when looking for PIs. As a PI cow will always produce a PI calf then if...

For dairy herds, in addition to a check test of young stock (ten aged 9-18 months old), the bulk tank milk should be tested for BVD...

Antibody check test: Five blood samples per group aged 9-18 months (or if sold before 9 months old then 10 samples per group down to six...