Calderón-Robles, R. C., A. Ríos-Utrera, V. E. Vega-Murillo, M. Montaño-Bermúdez, G. Martínez-Velázquez, S. I. Román-Ponce, and R. Calderón-Chagoya. 2017. "REPRODUCTION OF HOLSTEIN AND BROWN SWISS COWS AND OF THEIR F1 RECIPROCAL CROSSES RAISED IN A MEXICAN SUBTROPICAL ENVIRONMENT." Journal of Animal and Plant Sciences 27 (6): 1816-1821.