TABLE 2.

Alpha diversity index of intestinal flora at different taxonomic levels.

Group	Ace	p	Chao 1	p	Simpson	p	Shannon	p
LC (OTU)	574.05 ± 89.11	0.15	582.03 ± 87.04	0.13	0.97 ± 0.01	0.38	6.6 ± 0.46	0.96
FG(OTU)	702.69 ± 150.90		723.22 ± 157.47		0.96 ± 0.04		6.62 ± 0.79
LC (phylum)	11.8 ± 1.30	0.67	11.8 ± 1.30	0.42	0.6 ± 0.11	0.69	1.84 ± 0.34	0.29
FG (phylum)	11.47 ± 0.98		11.2 ± 0.84		0.57 ± 0.16		1.58 ± 0.39
LC (order)	41.06 ± 4.88	0.082	40.9 ± 6.41	0.12	0.86 ± 0.05	0.008	3.34 ± 0.31	0.01
FG (order)	35.48 ± 3.87		34.97 ± 3.62		0.75 ± 0.05		2.68 ± 0.31
LC (family)	69.91 ± 4.36	0.048	69.97 ± 7.32	0.085	0.9 ± 0.02	0.073	3.98 ± 0.17	0.089
FG (family)	62.04 ± 5.99		62.16 ± 4.66		0.86 ± 0.04		3.6 ± 0.39
LC (genus)	117.32 ± 9.26	0.68	118.48 ± 10	0.68	0.92 ± 0.02	0.11	4.54 ± 0.17	0.2
FG (genus)	119.84 ± 9.69		120.92 ± 7.7		0.88 ± 0.05		4.15 ± 0.56

Note: The comparison of alpha diversity between LC and FG group, bold numbers showed values with significant differences (p < 0.05).