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...

Full description

Bibliographic Details

Main Authors:	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
Format:	Artículo
Language:	Inglés
Published:	Elsevier 2025
Subjects:	Bos taurus Beef Cattle Oestrus Synchronization Perinatal Period Estradiol GnRH Artificial Insemination Ganado de Carne Sincronización del Celo Período Perinatal Inseminación Artificial
Online Access:	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