Mykhalko, Oleksandr Hryhorovych. “CURRENT STATE AND WAYS OF PIG PRODUCTION IN THE WORLD AND UKRAINE”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 3 (46) (October 12, 2021): 61-77. Accessed April 20, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/436.