Rosario, M.F., M.A.N. Silva, A.A.D. Coelho, and V.J.M. Savino. “Estimating and Predicting Feed Conversion in Broiler Chickens by Modeling Covariance Structure”. International Journal of Poultry Science 6, no. 7 (June 15, 2007): 508–514. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/803.