Prevalence of respiratory diseases and their association with growth rate and space in randomly selected swine herds.

@article{Wilson1986PrevalenceOR,
  title={Prevalence of respiratory diseases and their association with growth rate and space in randomly selected swine herds.},
  author={Mary R. Wilson and R G Takov and Robert M. Friendship and S Wayne Martin and Ian K. McMillan and Roger R. Hacker and S. S. Swaminathan},
  journal={Canadian journal of veterinary research = Revue canadienne de recherche veterinaire},
  year={1986},
  volume={50 2},
  pages={209-16}
}
The prevalence and extent of respiratory tract lesions were measured in 1425 pigs from 27 randomly selected herds in the summer of 1982 and winter of 1983. About 75% of pigs had lesions of enzootic pneumonia, approximately 60% had atrophic rhinitis and approximately 11% had pleuropneumonia and/or pleuritis. Individual pig growth rate was recorded on two of the farms, and it was found that the correlations between growth rate and severity of enzootic pneumonia lesions were positive on one farm… CONTINUE READING
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