Sánchez-Rodríguez, Héctor L. “Growth Comparison Between Wild Type and Slick-Haired Puerto Rican Holstein Heifers”. The Journal of Agriculture of the University of Puerto Rico 103, no. 1 (January 1, 2019): 49–58. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/17900.