Factors associated with being a bovine-virus diarrhoea (BVD) seropositive dairy herd in the Møre and Romsdal County of Norway.

@article{Valle1999FactorsAW,
  title={Factors associated with being a bovine-virus diarrhoea (BVD) seropositive dairy herd in the M{\o}re and Romsdal County of Norway.},
  author={Paul Steinar Valle and Stephen W. Martin and Robert Tremblay and Kelly Bateman},
  journal={Preventive veterinary medicine},
  year={1999},
  volume={40 3-4},
  pages={
          165-77
        }
}
Factors associated with being a bovine-virus diarrhoea (BVD) seropositive dairy herd were studied in a case-control study of 314 dairy herds in the Møre and Romsdal County of Norway. Information was collected through a mailed questionnaire, and associations were modeled using conditional logistic regression after selecting variables by a best-subset procedure. Purchasing of animals, use of common pasture, herd-to-herd contact over pasture fences, purchasing cattle with insufficient health… CONTINUE READING

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