Olanrewaju H, Purswell J, Collier S, Branton S. Effects of Broiler Rearing Environment on Transmission of F-Strain Mycoplasma gallisepticum from Commercial Layer Hens to Broiler Chickens: Role of Acid-Base Balance. Int. J. Poult. Sci. 2009;8(2):145–150. doi:10.3923/ijps.2009.145.150