Valenzuela-Jiménez N, Rodríguez-Hernández K, Hernández-Cerón J, Vera-Ávila H, Núñez-Hernández G, Villa-Godoy A. 16 HOURS PHOTOPERIOD IN HOLSTEIN HEIFERS IN THE SUBTROPICS: EFFECTS IN DEVELOPMENT AND AGE TO FIRST ESTRUS. Ecosist. Recur. Agropec. [Internet]. 2015 Jan. 12 [cited 2024 Jul. 3];2(4):53-67. Available from: https://era.ujat.mx/index.php/rera/article/view/717