The effect of sire selection on cow mortality and early lactation culling in adverse and favorable cow survival environments.

@article{Dechow2012TheEO,
  title={The effect of sire selection on cow mortality and early lactation culling in adverse and favorable cow survival environments.},
  author={Chad D Dechow and R. C. Goodling and Sebastian Rhode},
  journal={Preventive veterinary medicine},
  year={2012},
  volume={103 2-3},
  pages={228-33}
}
The objective of this study was to determine the extent that genetic selection can help reduce dairy cow mortality and early lactation culling in adverse cow survival environments. Two datasets were constructed. The first contained 100,911 mortality records and 171,178 sixty-day culling records from 1467 herds. Cows that left the herd (culled or died) from 21 days prior to a due date through 60 days in milk were considered a 60-day cull. Cows were classified as belonging to herds with adverse… CONTINUE READING
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The effect of management system on mortality and other welfare indicators in Pennsylvania dairy herds

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  • Anim. Welfare
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