Ladyka , Volodymyr, Yuriy Sklyarenko, and Yuliya Pavlenko. “Changes in the Genetic Structure in the Herd of Lebedinian Cattle by β-Casein Genotype”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 2 (45) (May 31, 2021): 3-8. Accessed April 19, 2024. https://www.snaubulletin.com.ua/index.php/ls/article/view/305.