Khmelnychyi, L. M. and Karpenko, B. M. (2021) “THE ROLE OF BULL-SIRES EVALUATED BY THE TYPE OF THEIR DAUGHTERS IN THE FORMATION OF BREEDING HERD FOR THE CONFORMATION AND MILK PRODUCTIVITY”, Bulletin of Sumy National Agrarian University. The series: Livestock, (3 (46), pp. 19-27. doi: 10.32845/bsnau.lvst.2021.3.4.