Fig. 6

The effects of long-term intervention of antibiotics and heat-inactivated N1115 on α diversity of gut microbiota. (n = 5). a ACE index and b Chao1 index estimate the community richness of microbiota. c Shannon index and d Simpson index estimate the community diversity of microbiota. e PD-whole tree is a diversity index which is calculated based on the phylogenetic tree. The larger the value means the higher the community diversity. *P < 0.05, **P < 0.01, ***P < 0.001