Jasek A, Li X, Xu H, Raab R, Broomhead J, Lee J. Effects of Increasing Concentrations of Maize-Expressed Non-Starch Carbohydrase Enzyme on Broiler Growth Performance and Ileal Nutrient Digestibility. Int. J. Poult. Sci. 2018;17(11):543–551. doi:10.3923/ijps.2018.543.551