Walters H, Williams M, Latham R, Augspurger N, Brown B, Lee J. Evaluation of Cocktail NSPase Inclusion in Reduced-Energy Corn-soybean Meal Diets on Live Growth Performance and Carcass Yield of Male Broilers. Int. J. Poult. Sci. 2018;17(12):610–619. doi:10.3923/ijps.2018.610.619