Associations between dairy farm performance indicators and culling rates under policy-driven herd size constraints.

Pranav Shrikant Kulkarni,Monique Mourits,Mirjam Nielen,Wilma Steeneveld

Frontiers in veterinary science（2023）

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摘要

In conclusion, although the introduction of phosphate regulation resulted in an increased outflow of cattle, corresponding culling proportions were not associated with the level of farm performance measured in terms of production, reproduction, or udder health.

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关键词

fertility,herd characteristics,longevity,performance,phosphate,primiparous cows,replacement,udder health

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