Hern?ndez, Arelys, Raquel Ponce de Le?n, D. Guerra, and Sonia M. Garc?a. 2010. “Estimation of Genetic Parameters for Milk Yield in Different Lactations of Mambi De Cuba Cows”. Cuban Journal of Agricultural Science 44 (2). https://www.cjascience.com/index.php/CJAS/article/view/229.