Gallego, C., A. Peñalver, Mildred Méndez, María Lenz Souza, and R. García. “Influence of the Physiological State on the Energy, Protein and Endocrine Metabolism, in Siboney De Cuba Cows”. Cuban Journal of Agricultural Science 51, no. 4 (March 20, 2018). Accessed April 28, 2024. https://cjascience.com/index.php/CJAS/article/view/740.