Kim, Chang-Ho, Jong-Ho Song, Jae-Cheong Lee, and Kyung-Woo Lee. “Age-Related Changes in Egg Quality of Hy-Line Brown Hens”. International Journal of Poultry Science 13, no. 9 (August 15, 2014): 510–514. Accessed September 21, 2025. https://ijpsjournal.org/index.php/ijps/article/view/2086.