Q.Musurmonov, R.Pardayev, M.Ismatova, S.Xamanova. Productivity of Cows in the Experimental Group with Black-and-White and Its Crossbreeds with Holstein Bulls . EIMJE. 2023;1(5):532-535. Accessed November 9, 2025. https://multijournals.org/index.php/excellencia-imje/article/view/151