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 [Internet]. 2023 Nov. 27 [cited 2025 Nov. 9];1(5):532-5. Available from: https://multijournals.org/index.php/excellencia-imje/article/view/151