control diet had villus height, crypt depth, villus height to crypt depth ratio, villus basal width, villus apical width, and apparent villus surface area in the duodenum and jejunum that was not different from broilers fed 300 g (P < 0.05).control diet had villus height, crypt depth, villus height to crypt depth ratio, villus basal width, villus apical width, and apparent villus surface area in the duodenum and jejunum that was not different from broilers fed 300 g (P < 0.05).