Olanrewaju, H., Miller, W., Maslin, W., Collier, S., Purswell, J., & Branton, S. (2011). Effect of Varying Light Intensity on Welfare Indices of Broiler Chickens Grown to Heavy Weights. International Journal of Poultry Science, 10(8), 590–596. https://doi.org/10.3923/ijps.2011.590.596