Olanrewaju, H.A., J.L. Purswell, S.D. Collier, and S.L. Branton. 2012. “Effect of Varying Light Intensity on Blood Physiological Reactions of Broiler Chickens Grown to Heavy Weights”. International Journal of Poultry Science 11 (2): 81–87. https://doi.org/10.3923/ijps.2012.81.87.