Khmelnychyi, L. M., B. M. Karpenko, and I. O. Suprun. “THE HOLSTEIN BREED – GENESIS, BIOLOGICAL CHARACTERISTICS AND THE EFFICIENCY OF ITS USE IN THE CREATION AND IMPROVEMENT OF SPECIALIZED DAIRY BREEDS”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 4 (December 22, 2023): 59-71. Accessed November 22, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/975.