Urzúa González, E. , Valdés Pérez, L. Ángel ., Garza, A. , Mapes, G. , Gutiérrez, C.G. and Hernández-Cerón, J. 2021. Pregnancy rate in dairy cows treated with human chorionic gonadotropin five days after insemination. Austral Journal of Veterinary Sciences. 49, 2 (May 2021), 119–122.