Sedyuk , I., Zolotarev , A., Zolotareva , S. and Mashkin , M. 2020. Efficiency of application energy-protein supplements with the protected protein at growing of repair heifers. Bulletin of Sumy National Agrarian University. The series: Livestock. 1 (40) (Feb. 2020), 82-86. DOI:https://doi.org/10.32845/bsnau.lvst.2020.1.12.