Beer, M. de, and C.N. Coon. “The Effect of Feed Restriction Programs and Growth Curves on Reproductive Performance, in Vitro Lipogenesis and Heterophil to Lymphocyte Ratios in Broiler Breeder Hens”. International Journal of Poultry Science 8, no. 4 (March 15, 2009): 373–388. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/1178.