Clavijo, Francisco Esteban, Luis Femando Rodríguez, Ivan Yánez, German Arturo Godoy, Juan Pablo Garzon, Diego Andres Galarza, and Pablo Roberto Marini. “Productive and Reproductive Evaluation of Holsteins and Brown Swiss X Holstein in Ecuador”. Asian Journal of Agriculture and Food Sciences 4, no. 4 (August 15, 2016). Accessed March 28, 2024. https://www.ajouronline.com/index.php/AJAFS/article/view/4039.