Table 2. Mean relative abundance of different taxa at phylum level.

Phylum	veh (%)	Abx (%)	Abx+N1115 (%)
Proteobacteria	5.77	99.47***	99.74***#
Bacteroidetes	51.63	0.21*	0.05*
Firmicutes	39.64	0.28*	0.21*

*p<0.05, ***p<0.001, comparing with veh.

^#p<0.05, comparing with Abx.