Fig. 4From: Probiotics isolated from yaks improves the growth performance, antioxidant activity, and cytokines related to immunity and inflammation in miceProbiotics supplementation improved the digestive enzyme activity of duodenum, jejunum, and ileum. a–c The levels of α-amylase, lipase, and trypsin in the small intestine. The data are expressed as the mean ± SD. *P < 0.05, **P < 0.01Back to article page