Threshold-linear versus linear-linear analysis of birth weight and calving ease using an animal model: I. Variance component estimation.

@article{Varona1999ThresholdlinearVL,
  title={Threshold-linear versus linear-linear analysis of birth weight and calving ease using an animal model: I. Variance component estimation.},
  author={Luis Varona and Ignacy Misztal and Joseph Keith Bertrand},
  journal={Journal of animal science},
  year={1999},
  volume={77 8},
  pages={1994-2002}
}
Birth weight and calving difficulty were analyzed with Bayesian methodology using univariate linear models, a bivariate linear model, a threshold model for calving difficulty, and a joint threshold-linear model using a probit approach. Field data included 26,006 records of Gelbvieh cattle. Simulated populations were generated using parameters estimated from the field data. The Gibbs sampler was used to obtain estimates of the marginal posterior mean and standard deviation of the (co)variance… CONTINUE READING
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