Table 2 The analysis of Alpha diversity index of gut microbiota (± s, n = 6)

1040.10 ± 124.89^a

1072.86 ± 140.70^a

4.47 ± 0.27^a

0.03 ± 0.01

1071.76 ± 224.84^a

1100.85 ± 206.99^a

4.29 ± 0.23^a

0.03 ± 0.00^a

997.11 ± 247.89^a

1016.46 ± 206.29^a

3.99 ± 0.34^a,b

0.05 ± 0.02^a,b

929.60 ± 122.15^a

1025.19 ± 73.90^a

3.99 ± 0.19^a,b

0.05 ± 0.01^a,b

1357.10 ± 148.57

1450.94 ± 153.07

4.93 ± 0.15

0.02 ± 0.00