Petra?kien?, Rasa, Nijol? Pe?iulaitien?, y Vigilijus Jukna. «Crossbreeding Influence on Age at First Calving and First Lactation Productivity in Lithuania Bred Dairy Cattle». Cuban Journal of Agricultural Science 45, no. 3 (junio 1, 2011). Accedido julio 22, 2024. https://cjascience.com/index.php/CJAS/article/view/111.