Berragán-Hernández, Wilson Andrés, Liliana Mahecha-Ledesma, and Yasmin Socorro Cajas-Jirón. 2015. “Physiological-Metabolic Variables of Heat Stress in Cows Grazing in Silvopastoral Systems and in One Treeless Prairie”. Agronomía Mesoamericana 26 (2):211-23. https://doi.org/10.15517/am.v26i2.19277.