Table 1.

The OTU Alpha diversity index of intestinal microflora $\left(\overline{x}\pm s\right)$.

Group	Observe	Chao1	ACE	Shannon	Simpson
NC	1224.83 ± 45.23	1679.85 ± 49.61	1712.59 ± 44.44	4.02 ± 0.24	0.9 ± 0.04
SU	1330.33 ± 43.34	1775.81 ± 47.46	1835.09 ± 44.43∗	4.39 ± 0.32	0.94 ± 0.03
HD	1052 ± 72.81∗∗#	1489.52 ± 78.3∗∗#	1553.45 ± 57.31∗∗#	3 ± 0.26∗∗#	0.75 ± 0.05∗∗#
ES	1040 ± 91.75∗∗#Δ	1442.25 ± 101.75∗∗#Δ	1509.07 ± 107.82∗∗#Δ	3.26 ± 0.34∗∗#Δ	0.78 ± 0.06∗∗#Δ

Data presented as mean ± standard error of the mean. ∗vs. NC, P < 0.05; ∗∗vs. NC, P < 0.01; #vs. SU, P < 0.05; ##vs. SU, P < 0.01; Δvs. HD, P > 0.05.