Fig. 5

Effects of dietary supplementation with xylanase on gut microbiota composition of Nile tilapia. A Goods, B Chao1, C Shannon, D Simpson, E Principal component analysis (PCA), F–H Microbiota composition in phylum level, family level and genus level of each sample, respectively. Data was expressed as mean ± SEM (n = 6). SM, fish fed with soybean diet; SMC, fish fed with soybean diet supplemented with 3,000 U/kg xylanase. The significant differences between two group were presented at P < 0.05 (*), P < 0.01 (**)