Ríos-Utrera, Ángel, Hernández-Hernández, V. D., Amezcua-Manjarréz, E. V., & Zárate-Martínez, J. P. (2015). Milk yield of Simmental × Zebu and Brown Swiss × Zebu cows in tropical climate. Agronomía Mesoamericana, 26(1), 17–25. https://doi.org/10.15517/am.v26i1.16891