Dunets, V.Y., and L.G. Slivinska. “The Prevention of Liver Disease in Laying Hens”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences 19, no. 73 (February 2, 2017): 55-60. Accessed September 21, 2021. https://nvlvet.com.ua/index.php/journal/article/view/1018.