Suprun, I. A. and Kurylenko, Y. F. (2022) “EFFICIENCY OF USING NON-PROTEIN NITROGEN PREPARATIONS TO INCREASE THE PRODUCTIVITY OF DAIRY LIVESTOCK”, Bulletin of Sumy National Agrarian University. The series: Livestock, (4 (47), pp. 154-158. doi: 10.32845/bsnau.lvst.2021.4.26.