Visual locomotion scoring in the first seventy days in milk: impact on pregnancy and survival.

@article{Bicalho2007VisualLS,
  title={Visual locomotion scoring in the first seventy days in milk: impact on pregnancy and survival.},
  author={Rodrigo Carvalho Bicalho and F J Vokey and Hollis Nancy Erb and Charles L. Guard},
  journal={Journal of dairy science},
  year={2007},
  volume={90 10},
  pages={4586-91}
}
Our hypotheses were that cows classified as lame during the first 70 d in milk have more days from calving to conception and a greater hazard of dying or being culled compared with cows that were not classified as lame. Our objective was to estimate the detrimental effects of lameness on calving-to-conception interval and hazard of dying or being culled in lactating Holstein cows. Data were collected from 5 dairy farms located in upstate New York from November 2004 to June 2006. The design was… CONTINUE READING

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