Genetic parameters and trends of milk, fat, days open, and body weight after calving in North Carolina experimental herds.

@article{Abdallah2000GeneticPA,
  title={Genetic parameters and trends of milk, fat, days open, and body weight after calving in North Carolina experimental herds.},
  author={Jumanne M Abdallah and B T Mcdaniel},
  journal={Journal of dairy science},
  year={2000},
  volume={83 6},
  pages={1364-70}
}
The main objective of this study was to estimate genetic trends for 3.7% FCM, fat yield, days open, and predicted body weight after calving in six experimental dairy herds owned by the State Farm Division of the North Carolina Department of Agriculture. Body weights were predicted from heart girths measured at or before the first test day after calving. Data analyzed were 23,052 records from 8575 cows, daughters of 681 bulls. Heritabilities and breeding values were estimated using the multiple… CONTINUE READING
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