Khvostik , Victor, and Yuriy Bondarenko. “Qualitative Indicators of Eggs of Meat and Egg Chickens of Different Genesis”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 4(43) (December 25, 2020): 82-87. Accessed April 16, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/262.