Olanrewaju , H., Miller, W., Maslin, W., Collier, S., Purswell, J., & Branton, S. (2015). Influence of Photoperiod, Light Intensity and Their Interaction on Health Indices of Modern Broilers Grown to Heavy Weights. International Journal of Poultry Science, 14(4), 183–190. https://doi.org/10.3923/ijps.2015.183.190