Pidpala , T.V., and N.P. Shevchuk. “Diversion by Lines in Different Stages of Exclusion and Consolidation of Ukrainian Red Cattle Breed ”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 4(39) (December 23, 2019): 37-42. Accessed April 25, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/141.