A Five-Day Progesterone Plus eCG-Based Fixed-Time AI Protocol Improves Fertility Over Spontaneous Estrus in High-Producing Dairy Cows Under Heat Stress

This study compared the efficiency of a five-day or standard (nine-day) progesterone-based regimen combined with equine chorionic gonadotrophin (eCG) in a fixed-time AI (FTAI) protocol for dairy cows. The data examined were derived from 3577 inseminations conducted in three dairy herds. Animals with...

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Autori principali: GARCIA-ISPIERTO, Irina, ROSELLÓ, M. Angels, DE RENSIS, Fabio, LÓPEZ-GATIUS, Fernando
Natura: Artigo
Lingua:Inglês
Pubblicazione: The Society for Reproduction and Development 2013
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Original Article
Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC3934145/
https://ncbi.nlm.nih.gov/pubmed/23934319
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1262/jrd.2013-041
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