Zhang, Bingfan, Justina V. Caldas, and Craig N. Coon. “Effect of Dietary Calcium Intake and Limestone Solubility on Egg Shell Quality and Bone Parameters for Aged Laying Hens”. International Journal of Poultry Science 16, no. 4 (March 15, 2017): 132–138. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/2324.