Analysis of α diversity of the fecal flora
There was no significant differences in the Shannon, Simpson, and Chao 1 indices among the three groups (P > 0.05; Figures. 4-6), indicating that there was no significant difference in α diversity among the three groups; however, based on the Shannon and Simpson index charts, it was apparent that the Shannon and Simpson indices of the control group were higher than the EB and C-EB groups. Therefore, the species richness and evenness of the control group were higher than the other two groups.