Table 2.

α-diversity indices of gut microbiota in each group.

Groups	OTUs	Simpson	Chao1	AACE	Shannon
N	534.50 ± 36.89	0.96 ± 0.01	737.76 ± 57.86	692.74 ± 128.87	6.07 ± 0.31
M	423.50 ± 70.79**	0.91 ± 0.01**	560.18 ± 71.21*	619.80 ± 109.30	5.43 ± 0.39*
CLM	438.80 ± 38.35*	0.92 ± 0.02*	594.20 ± 57.61*	581.87 ± 54.73	5.46 ± 0.30*
CHM	574.80 ± 22.88	0.92 ± 0.03*	805.39 ± 39.68##	830.45 ± 44.15	5.68 ± 0.38

Data are expressed as mean ± SD.

^*p < 0.05,

^**p < 0.01 ompared with N roup;

^##p < 0.01 compared with M group.