Khmelnychyi , S., Povod , N. and Samokhina , E. (2020) “Productive longevity of Ukrainian Black-and-White dairy cows depending on the inheritance of Holstein sires”, Bulletin of Sumy National Agrarian University. The series: Livestock, (2 (41), pp. 81-85. doi: 10.32845/bsnau.lvst.2020.2.13.