Ríos-Utrera, Ángel, Montaño-Bermúdez, M., Vega-Murillo, V. E., Martínez-Velázquez, G. and Baeza-Rodríguez, J. J. (2018) “Genetic parameters for scrotal circumference, frame score and yearling weight of Mexican Charolais and Charbray young bulls”, Revista Colombiana de Ciencias Pecuarias, 31(3), pp. 204–212. doi: 10.17533/udea.rccp.v31n3a05.