Modified contemporary comparison sire evaluations from first, all, and later lactations.

@article{Cassell1983ModifiedCC,
  title={Modified contemporary comparison sire evaluations from first, all, and later lactations.},
  author={Bennet G. Cassell and B T Mcdaniel and HansenJ. Norman},
  journal={Journal of dairy science},
  year={1983},
  volume={66 1},
  pages={
          140-7
        }
}
Modified Contemporary Comparisons are calculated by the United States Department of Agriculture from first and later lactations, results of which form the published progeny evaluations for all lactations. Characteristics of such evaluations on 200 Holstein sires, each with more than 500 daughters in each data set in the Summer 1981 run, were studied. Predicted Differences for milk averaged 245, 286, and 292 kg for first, all, and later lactation evaluations, with standard deviations of 271, 253… CONTINUE READING
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