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. 2019 Apr 24;9:99. doi: 10.3389/fcimb.2019.00099

Figure 4.

Figure 4

Effect of antibiotic treatment on diversity of gut microbiota composition. (A,B) Chao 1 and Shannon indexes of fecal samples in control and three antibiotic treatment groups. (C) Principal coordinate analysis of fecal samples in control and three antibiotic treatment groups by curtis similarity clustering analysis. *p < 0.05 compared to the control and PMB groups; ****p < 0.0001 compared to other three groups. ENR, enrofloxacin; VAN, vancomycin; PMB, polymixin B sulfate; CON, control group.