Pelekhaty , Mykola, Alexander Kochuk-Yashchenko, Dmitry Kucher, and Vitaliy Novosad. “Bull’s Role in Improving the Economic Useful Traits of Their Offsprings”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 1 (40) (February 24, 2020): 17-24. Accessed November 22, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/164.