Stuart, Justiniano R., Rolando Ybalmea, and Ana M. Vera. 2010. “Effect of Sex and of the Supplementation With a Probiotic on the Liveweight Gain of Weaned Calves Fed Integral Rations Based on Ground Hay. Technical Note”. Cuban Journal of Agricultural Science 44 (1). https://cjascience.com/index.php/CJAS/article/view/283.