TY - JOUR AU - Flores, T AU - Sánchez , J M AU - Lopez Helguera, I AU - Rojas Canadas, E PY - 2025 DO - 10.1016/j.theriogenology.2024.12.010 SN - 0093-691X UR - https://hdl.handle.net/20.500.14352/118418 T2 - Theriogenology AB - The main objectives of the present study were to determine the effects of presynchronizing with a 1.0 g intravaginal progesterone device (IVPD) and prostaglandin F2α and to assess the effects of re-utilization of IVPD in a 2x2 factorial design, on the... LA - eng M2 - 117 PB - Elsevier KW - Cattle KW - Estrus expression KW - Gonadotropin releasing hormone KW - Ovulation KW - Pregnancy KW - Reproductive performance TI - Presynchronization with a progesterone device and prostaglandin F2α enhances ovulatory response to first GnRH, estrus expression and tended to increase fertility in beef heifers submitted to a 5-day CO-Synch protocol TY - journal article VL - 234 ER -