Metabolic and Physiological Impact of Probiotics or Direct-Fed-Microbials on Poultry: A Brief Review of Current Knowledge

M. Chichlowski, J. Croom, B. W. McBride, G. B. Havenstein and M. D. Koci

International Journal of Poultry Science 6 ( 10 ): 694 - 704 , 2007