Mortality in Holstein-Friesian calves and replacement heifers, in relation to body weight and IGF-I concentration, on 19 farms in England.

@article{Brickell2009MortalityIH,
  title={Mortality in Holstein-Friesian calves and replacement heifers, in relation to body weight and IGF-I concentration, on 19 farms in England.},
  author={John Brickell and Marilyn M. McGowan and Dirk U. Pfeiffer and D Claire Wathes},
  journal={Animal : an international journal of animal bioscience},
  year={2009},
  volume={3 8},
  pages={1175-82}
}
The incidence of mortality and culling in Holstein-Friesian heifers from birth through first calving was determined on 19 dairy farms selected from across southern England. The outcome of 1097 calvings was determined. Size (BW, heart girth, crown-rump length and height at withers) and insulin-like growth factor-I concentration of live heifer calves were measured at a mean age of 26 ± 0.7 days (n = 506). Associations between the heifer-level variables and mortality were determined using… CONTINUE READING
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