Feeding and management of dairy heifers for optimal lifetime productivity.

  title={Feeding and management of dairy heifers for optimal lifetime productivity.},
  author={Robert W. Gardner and Lawrence W. Smith and R L Park},
  journal={Journal of dairy science},
  volume={71 4},
A total of 433 Holstein heifer calves were fed two different energy amounts from 6 wk of age to breeding weight to determine the effect of early nutrition and age at first calving on lifetime performance. A control group of 182 heifers was fed according to the Beltsville growth standard. A second group of 251 heifers was accelerated in growth by providing more energy during early development. Both groups of heifers were bred at a minimum weight of 340 kg. Average ages at first calving for… CONTINUE READING

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