Kramarenko, S., S. Lugovoy, A. Lykhach, A. Kramarenko, V. Lykhach, and A. Slobodianyk. “Effect of Genetic and Non-Genetic Factors on the Reproduction Traits in Ukrainian Meat Sows”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural sciences 21, no. 90 (April 26, 2019): 3-8. Accessed October 20, 2019. https://nvlvet.com.ua/index.php/agriculture/article/view/3654.