Respiratory infections in Norwegian dairy calves.

@article{Gulliksen2009RespiratoryII,
  title={Respiratory infections in Norwegian dairy calves.},
  author={Steinar Gulliksen and Evert Jor and Kong I. Lie and Torleiv L\oken and Johan {\AA}kerstedt and Olav \Oster{\aa}s},
  journal={Journal of dairy science},
  year={2009},
  volume={92 10},
  pages={5139-46}
}
The aims of this study were to estimate the seroprevalence of respiratory agents in Norwegian dairy calves and to identify risk factors for respiratory disease. The participating 135 herds were randomly selected from those in The Norwegian Dairy Herd Recording System with at least 15 cow years. Each herd was followed for 1 yr. Blood samples from calves of >150 d of age (n = 1,348) were analyzed for antibodies against parainfluenza virus 3, bovine coronavirus (BCoV), bovine respiratory syncytial… CONTINUE READING

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