Chauynarong N, Iji P, Isariyodom S, Mikkelsen L. The Influence of an Exogenous Microbial Enzyme Supplement on Feed Consumption, Body Growth and Follicular Development of Pre-Lay Pullets on Maize-Soy Diets . Int. J. Poult. Sci. 2008;7(3):257–262. doi:10.3923/ijps.2008.257.262