Fasanmi , O. et al. 2015. Productive and Physiological Responses of Heat-Stressed Dominant Black Hens to Artificial Ventilation and Modified Layers Mash in Nigeria. International Journal of Poultry Science. 14, 8 (Jul. 2015), 471–478. DOI:https://doi.org/10.3923/ijps.2015.471.478.