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	Wykrywanie rui	Ocena wydajności rozrodu stada
Dziedzina	Zootechnika	Zootechnika
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1960s	1990s
Twórca	Reproductive Physiologists	Dairy Veterinarians and Herd Health Specialists
Typ	observation and detection	data analysis and performance assessment
Źródło pierwotne	De Vries, A., Steevens, B., & Kristensen, A. R. (2013). Accelerated improvement of dairy herd reproductive performance: Estrus detection and breeding timing revisited. Journal of Dairy Science, 96(2), 1-15.	Macmillan, K. L. (2002). Fertility and production in grazing dairy cattle. Veterinary Record, 150(9), 267-273.
Inne nazwy	heat detection, estrous cycle monitoring, sexual receptivity assessment	fertility monitoring, reproductive efficiency evaluation, breeding performance analysis
Pokrewne	3	3
Podsumowanie	Estrus detection is the identification of the fertile period in female livestock, when ovulation is imminent and animals are sexually receptive. Formalized by reproductive physiologists in the 1960s-1970s, the practice combines behavioral observation, physical signs, and technology-enabled monitoring to identify the optimal timing for breeding. Accurate estrus detection is fundamental to reproductive efficiency, conception rates, and profitability in livestock operations.	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.