Purswell, J.; Davis, J.; Luck, B.; Kim, E.; Olanrewaju, H.; Kiess, A.; Branton, S. Effects of Elevated Carbon Dioxide Concentrations on Broiler Chicken Performance from 28 to 49 Days. Int. J. Poult. Sci. 2011, 10 (8), 597–602. https://doi.org/10.3923/ijps.2011.597.602.