TY - GEN AU - Sá Filho,M F AU - Torres-Júnior,J R S AU - Penteado,L AU - Gimenes,L U AU - Ferreira,R M AU - Ayres,H AU - Castro E Paula,L A AU - Sales,J N S AU - Baruselli,P S TI - Equine chorionic gonadotropin improves the efficacy of a progestin-based fixed-time artificial insemination protocol in Nelore (Bos indicus) heifers SN - 1873-2232 PY - 2010///0405 KW - Animals KW - Cattle KW - Chorionic Gonadotropin KW - administration & dosage KW - Cloprostenol KW - Corpus Luteum KW - diagnostic imaging KW - Drug Implants KW - Estradiol KW - Estrus Synchronization KW - Female KW - Horses KW - Insemination, Artificial KW - methods KW - Luteolytic Agents KW - Ovarian Follicle KW - anatomy & histology KW - Ovulation KW - Pregnancy KW - Pregnenediones KW - Progesterone KW - blood KW - Time Factors KW - Ultrasonography N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/j.anireprosci.2009.10.004 ER -