Table 2 Effect of supplementation on the alpha diversity indices of microbial community and the relative abundances of bacterial phyla.

Alpha Diversity indices

Observed ASVs

283.88^a

282.31^a

379.58^b

12.82

0.001

Chao1

283.88^a

282.31^a

379.58^b

12.82

0.001

Shannon

4.02^a

4.13^a

4.59^b

0.09

0.04

Inverse Simpson

21.75^b

12.38^a

22.57^b

1.26

0.001

Relative abundance of bacterial phyla, %

Actinobacteriota

0.009^a

0.09^b

0.22^c

0.02

0.001

Bacteroidota

58.18

59.06

60.59

0.80

0.50

Bdellovibrionota

1.51

2.66

0

0

00

Cyanobacteria

0.21^b

0.31^c

0.09^a

0.02

0.001

Desulfobacterota

0.009^a

0.27^b

0.03^c

0.03

0.0001

Elusimicrobiota

0

0.26

0

0

00

Fibrobacterota

0

1.12

0

0

00

Planctomycetota

0.84^b

3.02^c

0.52^a

0.29

0.001

Spirochaetota

0

0.07

0.03

0

00

Synergistota

0

0.27

0

0

00

Verrucomicrobiota

0.57

0.37

0.23

0.37

0.50

Firmicutes

29.10^a

34.98^b

42.52^c

1.53

0.001

Proteobacteria

3.48^c

2.65^b

1.51^a

0.21

0.001