Vargas Villalobos, O., Cambronero Castro, O. and Elizondo Salazar, J.A. 2017. Supplementation of methionine hydroxy analog: effect on dairy cow performance. Agronomía Mesoamericana. 28, 3 (Sep. 2017), 643–655. DOI:https://doi.org/10.15517/ma.v28i3.26897.