Estimation of interdependence among quarters of the bovine udder with subclinical mastitis and implications for analysis.

@article{Barkema1997EstimationOI,
  title={Estimation of interdependence among quarters of the bovine udder with subclinical mastitis and implications for analysis.},
  author={H W Barkema and Ynte Hein Schukken and Theo J G M Lam and David T. Galligan and Marten L Beiboer and Ariel Brand},
  journal={Journal of dairy science},
  year={1997},
  volume={80 8},
  pages={1592-9}
}
Interdependency among udder quarters with subclinical mastitis was evaluated on 150 farms using a total of 35,828 udder quarters. The occurrence of high somatic cell count (SCC) (> 250,000 cells/ml) in 0, 3, and 4 quarters occurred at a higher rate than would be expected based on independence of the quarters. For all bacterial species, intramammary infection in 0, 2, 3, or 4 quarters of the same cow occurred at a higher rate than would be expected based on independence of the quarters… CONTINUE READING

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