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 ...200818776097
descriptive epidemiology of postnatal bovine viral diarrhea virus infection in intensively managed dairy evaluate risk of bovine viral diarrhea virus (bvdv) infection between birth and 9 months of age for dairy replacement heifers raised under typical dry-lot management conditions.200111724183
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