Vaz-Ramírez MA, Curbelo-Rodríguez JE, Ortiz-Colón G. Supplementation of dairy calves with digestive enzymes and fermentation products of Aspergillus oryzae and Aspergillus niger. JAUPR [Internet]. 2021 Jan. 1 [cited 2024 Apr. 23];105(1):23-37. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/19633