Bivariate analysis of liability to clinical mastitis and to culling in first-lactation cows.

@article{Heringstad2003BivariateAO,
  title={Bivariate analysis of liability to clinical mastitis and to culling in first-lactation cows.},
  author={Bj\org Heringstad and Romdhane Rekaya and Daniel Gianola and Gunnar Klemetsdal and Kent A. Weigel},
  journal={Journal of dairy science},
  year={2003},
  volume={86 2},
  pages={653-60}
}
Records taken on 13,070 first-lactation daughters of 250 Norwegian Cattle sires were used to examine associations between susceptibility to clinical mastitis and to culling. Clinical mastitis was defined as a binary trait, whereas culling was treated as either binary (culled or not culled) or continuous (length of opportunity period) for two sampling periods (120 or 300 d of lactation). Two Bayesian models were employed; 1) a bivariate threshold model with both mastitis and culling as binary… CONTINUE READING

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