Khmelnychyi , Leontiy, Iryna Suprun, and Dmytrii Bardash. “Lifetime Productivity of Cows of the Ukrainian Red-and-White Dairy Breed under Various Options of Selection”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 1(44) (March 29, 2021): 29-35. Accessed March 29, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/292.