Effects of diet and bovine somatotropin on heifer growth and mammary development.

@article{Radcliff1997EffectsOD,
  title={Effects of diet and bovine somatotropin on heifer growth and mammary development.},
  author={Roy P. Radcliff and Michael J Vandehaar and A L Skidmore and L. Tyler Chapin and Brian R Radke and J William Lloyd and E. P. Stanisiewski and H. A. Tucker},
  journal={Journal of dairy science},
  year={1997},
  volume={80 9},
  pages={1996-2003}
}
Forty Holstein heifers [body weight (BW) = 126 kg] were blocked by BW into groups of 4, and, within each block, heifers were randomly assigned to one of four treatments. Twenty heifers had ad libitum access to a diet formulated to produce a BW gain of 0.8 kg/d (control diet), and 20 heifers had ad libitum access to a diet formulated to produce a BW gain of 1.2 kg/d. (high diet). Half of the heifers fed each diet were injected daily with bovine somatotropin (bST; 25 micrograms/ kg of BW). The… CONTINUE READING

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Dairy Heifer Development and Nutrition Management.

The Veterinary clinics of North America. Food animal practice • 2016
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