Sánchez Dávila F, Martínez_Zuazua VA, Ledezma-Torres RA, Mauleón-Tolentino K, Zapata-Campos CC, Luna-Palomera C, Garza-Brenner E. Use of equine chorionic gonadotropin (eCG) in Mashona heifers, under a J-Synch synchronization protocol, and its effect in pregnancy rate: Use of equine chorionic gonadotropin in a J-Synch protocol in heifers. AP [Internet]. 8 de mayo de 2023 [citado 22 de julio de 2024];. Disponible en: https://revista-agroproductividad.org/index.php/agroproductividad/article/view/2387