| serological evaluation of precolostral serum samples to detect bovine viral diarrhea virus infections in large commercial dairy herds. | the authors propose that screening newborn calves for bovine viral diarrhea virus (bvdv) antibody prior to colostrum feeding is a useful strategy to detect herds with endemic bvdv infection. in the current study, precolostral serum samples of newborn calves in 2 minnesota and 2 california dairy farms were examined. precolostral bvdv antibodies were detected by serum neutralization and enzyme-linked immunosorbent assay in 7.4% (33/446) and 6.2% (32/515) of newborn calves in the california and min ... | 2008 | 18776097 |