Influence of new infection with bovine virus diarrhoea virus on udder health in Norwegian dairy cows.

@article{Waage2000InfluenceON,
  title={Influence of new infection with bovine virus diarrhoea virus on udder health in Norwegian dairy cows.},
  author={Steinar Waage},
  journal={Preventive veterinary medicine},
  year={2000},
  volume={43 2},
  pages={123-35}
}
A retrospective longitudinal study was conducted to examine whether the exposure of dairy herds to bovine virus diarrhoea virus (BVDV) affected udder health. All Norwegian dairy herds that had experienced a marked increase in the BVDV antibody titres in bulk milk (from a level corresponding to an optical density (OD) <0.25 to >0.55, as determined by an indirect enzyme-linked immunosorbent assay) between two nation-wide herd screening examinations carried out late in 1992 and 1993, respectively… CONTINUE READING

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