TABLE 6.

T-RFLP analysis-based hierarchical microbial composition of ileum digesta in early-weaned pigs fed different experimental diets

Taxon	Microbial level (%)b				SEMa
	C	PRO	RPS	PRO-RPS
Phylum Bacteroidetes	30.4	30.2	30.9	29.0	0.40
Class unclassified Bacteroidetes	1.4	1.2	1.9	0.0	0.40
Phylum Firmicutes	63.1	62.3	62.1	64.6	0.57
Class Bacilli	9.7	13.6	9.7	12.1	0.96
Order Lactobacillales	9.7	13.6	9.7	12.1	0.96
Class Clostridia	80.3	75.7	80.6	80.5	1.19
Order Clostridiales	61.0A	61.5A	56.5AB	47.7B	3.20
Order unclassified Clostridia	19.3AB	14.2A	24.1BC	32.9C	3.98
Class unclassified Firmicutes	3.1	3.0	1.9	2.0	0.32
Phylum Actinobacteria	0.3	0.0	0.0	0.7	0.17
Class Actinobateria	0.3	0.0	0.0	0.7	0.17
Subclass Coriobacteridae	0.3	0.0	0.0	0.7	0.17
Order Coriobacteriales	0.3	0.0	0.0	0.7	0.17
Phylum Proteobacteria	4.8	5.9	5.6	4.0	0.43
Class Epsilonproteobacteria	0.7	1.2	0.9	0.0	0.25
Order Campylobacterales	0.7	1.2	0.9	0.0	0.25
Class Deltaproteobacteria	0.7	0.0	0.9	0.0	0.23
Order Desulfovibrionales	0.7	0.0	0.9	0.0	0.23
Class Gammaproteobacteria	1.7	2.4	1.4	1.3	0.25
Order Pasteurellales	0.3	0.0	0.5	0.0	0.12
Order Enterobacteriales	1.4	2.4	0.9	1.3	0.32
Class Betaproteobacteria	1.4	1.8	1.9	2.0	0.13
Order Burkholderiales	1.0	1.2	1.4	1.3	0.09
Order unclassified Betaproteobacteria	0.3	0.6	0.5	0.7	0.09
Class Alphaproteobacteria	0.0	0.0	0.0	0.0	0.00
Order unclassified Alphaproteobacteria	0.0	0.0	0.0	0.0	0.00
Class unclassified Proteobacteria	0.3	0.6	0.5	0.7	0.09
Phylum Lentisphaerae	0.3	0.6	0.5	0.7	0.09
Class Lentisphaerae	0.3	0.6	0.5	0.7	0.09
Order Victivallales	0.3	0.6	0.5	0.7	0.09
Phylum unclassified Bacteria	0.3	0.0	0.0	0.0	0.08

^aPooled standard error of the mean.

^bMeans within rows without a common letters differ (P < 0.05).