Trokhymenko, V. Z., Kovalchuk, T. I., Zakharin, V. V., Bezverkha, L. M. and Mamchenko, V. Y. (2023) “REPRODUCTIVE ABILITY, PRODUCTIVITY AND QUALITY OF COWS’ MILK AFTER THE APPLICATION OF A BIOLOGICALLY ACTIVE PREPARATION”, Bulletin of Sumy National Agrarian University. The series: Livestock, (3), pp. 71-77. doi: 10.32782/bsnau.lvst.2023.3.10.