Rodríguez, Abner A., Enrique M. Martínez, Luis C. Solórzano, and Paul F. Randel. “Intake and Digestibility by Lambs of a Diet of Tropical Grass and Hyparrhenia Rufa Hays With a Probiotic Containing Bacillus Licheniformis and Bacillus Subtilis”. The Journal of Agriculture of the University of Puerto Rico 98, no. 2 (October 1, 2014): 147–168. Accessed April 18, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/2515.