McGill, E.; Kamyab, A.; Firman , J. Low Crude Protein Corn and Soybean Meal Diets With Amino Acid Supplementation for Broilers in the Starter Period 1. Effects of Feeding 15% Crude Protein. Int. J. Poult. Sci. 2012, 11 (3), 161–165. https://doi.org/10.3923/ijps.2012.161.165.