Process / pipelineReproductive performance evaluation
Herd Reproductive Performance
Herd reproductive performance assessment integrates multiple metrics to evaluate the efficiency of breeding programs and overall population fertility. Formalized in the 1990s-2000s by dairy veterinarians and herd health specialists, the method combines individual animal records (conception rates, calving intervals) with population-level indicators (age structure, open days, pregnancy rate) to identify reproductive constraints. Assessment is fundamental to dairy profitability and sustainability.
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Sources
- Macmillan, K. L. (2002). Fertility and production in grazing dairy cattle. Veterinary Record, 150(9), 267-273. DOI: 10.1136/vr.150.9.267 ↗
- Buckley, F., O'Sullivan, K., Mee, J. F., Evans, R. D., & Berry, D. P. (2003). Relationships among milk yield, body condition, cow welfare, and reproductive performance in spring-calving Irish dairy cows. Journal of Dairy Science, 86(7), 2308-2319. DOI: 10.3168/jds.S0022-0302(03)73824-0 ↗
- Darwash, A. O., Lamming, G. E., & Woolliams, J. A. (2000). The fertility of dairy cattle in the United Kingdom as affected by calving season and service period fertility on subsequent performance. Journal of Dairy Science, 79(3), 453-463. DOI: 10.3168/jds.S0022-0302(96)76392-1 ↗