The effect of adding LMA to drinking water on small intestinal morphology is shown in Table 5. The supplementations significantly increased villous height in the duodenum and ileum (p < 0.05), and adding 0.10% LMA enhanced villous height of the jejunum (p < 0.05) (Table 5). However, LMA supplementation in drinking water did not significantly affect crypt depth of the small intestines, while LMA increased villous height and crypt depth ratio of the jejunum (p < 0.05) and ileum (p < 0.01).