Suprun, Irina Alexandrovna, and Yuri Fedorovich Kurylenko. 2022. “EFFICIENCY OF USING NON-PROTEIN NITROGEN PREPARATIONS TO INCREASE THE PRODUCTIVITY OF DAIRY LIVESTOCK”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 4 (47) (January), 154-58. https://doi.org/10.32845/bsnau.lvst.2021.4.26.