corn–soybean meal-based diet is riboflavin-deficient for ducks and supplementation of riboflavin at such levels in these diets could enhance riboflavin and antioxidant status and growth performance of ducks.
corn–soybean meal-based diet is riboflavin-deficient for ducks and supplementation ofriboflavin at such levels in these diets could enhance riboflavin and antioxidant status andgrowth performance of ducks.