Evaluation of GnRH- versus estradiol-based protocols for ovulation synchronization in postpartum Bos taurus grazing beef cows submitted to fixed-time artificial insemination

This study compared the effect of a 7-day estradiol- and a 7-day GnRH-based FTAI protocol versus a presynchronized GnRH-based FTAI protocol (7 & 7 GnRH) on pregnancy per AI (P/AI) in multiparous postpartum Angus cows. Cows were blocked according to presence/absence of a CL, body condition score, and...

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Autores principales:	Ferre, Luis Bernardo, Cerviño, Maria Natalia, Jaeschke, Julian, Itterman, Maximiliano, McLean, Jaime, Aragon, Agustin, Fernández, Manuel, Villa, Matías, Formia, Néstor, Jaureguiberry, Maria, Rearte, Ramiro, Kjelland, Michael E., Colazo, Marcos G., Thomas, Jordan M., De la Sota, Rodolfo Luzbel
Formato:	Artículo
Lenguaje:	Inglés
Publicado:	Elsevier 2025
Materias:	Bos taurus Beef Cattle Oestrus Synchronization Perinatal Period Estradiol GnRH Artificial Insemination Ganado de Carne Sincronización del Celo Período Perinatal Inseminación Artificial
Acceso en línea:	http://hdl.handle.net/20.500.12123/20800 https://www.sciencedirect.com/science/article/abs/pii/S0093691X24004618 https://doi.org/10.1016/j.theriogenology.2024.11.008