H. Olanrewaju, J. Purswell, S. Collier, and S. Branton, “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., vol. 8, no. 2, pp. 145–150, Jan. 2009, doi: 10.3923/ijps.2009.145.150.