Table 4.

Bacterial-taxon proportions in the colon contents of conventional weanling rats

Phylum	Proportiona		Family	Proportion		Genus	Proportion
	BD	RS		BD	RS		BD	RS
Actinobacteria	4.9	19.8b	Bifidobacteriaceae	2.8	18.9b	Bifidobacterium	2.8	18.6b
			Coriobacteriaceae	2.1	0.9
Bacteroidetes	2.2	34.5b	Bacteroidaceae	1.0	0.4	Bacteroides	1.0	0.4
			Unclassified Bacteroidales	0.5	1.7
			Porphyromonadaceae	0.6	32.0b
			Unclassified Bacteroidetes	<0.1	0.4b
Firmicutes	91.0	44.9b	Lactobacillaceae	14.8	7.8	Lactobacillus	14.8	7.7
			Clostridiaceae	15.3	0.3b	Anaerobacter	0.2	<0.1
						Clostridium	13.9	0.2b
			Clostridiales incertae sedis XIV	4.5	0.2	Blautia	4.5	0.2
			Lachnospiraceae	4.8	1.5
			Unclassified Clostridiales	1.6	0.4b
			Peptostreptococcaceae	2.1	5.8b	Sporacetigenium	1.6	0.4
			Ruminococcaceae	0.6	5.8	Ruminococcus	0.2	5.4
			Unclassified clostridia	0.5	<0.1
			Erysipelotrichaceae	44.8	28.2	Allobaculum	34.6	16.7
						Turicibacter	7.4	2.1
			Unclassified Firmicutes	1.7	0.4b
Proteobacteria	1.3	0.1	Caulobacteraceae	0.2	<0.1
			Comamonadaceae	0.2	<0.1
			Helicobacteraceae	0.4	0.1	Helicobacter	0.4	0.1
TM7	<0.1	<0.1
Verrucomicrobia	<0.1	<0.1
Unclassified bacteria	0.6	0.7

^aMean proportions of bacterial taxa (%) at the phylum, family, and genus levels in colonic digesta of conventionally raised rats fed BD or RS 5% for 28 days (n = 10) determined by high-throughput sequencing of 16S rRNA gene amplicons.

^bSignificantly different from BD-fed rats (P < 0.05).