Peebles, E.D., S.W. Park, S.L. Branton, P.D. Gerard, and S.K. Womack. 2010. “Influence of Supplemental Dietary Poultry Fat, Phytase and 25-Hydroxycholecalciferol on the Blood Characteristics of Commercial Layers Inoculated Before or at the Onset of Lay With F-Strain Mycoplasma Gallisepticum”. International Journal of Poultry Science 9 (11): 1002–1005. https://doi.org/10.3923/ijps.2010.1002.1005.