Table 1.

Relative abundances of bacterial families identified based on peptide sequences in digesta samples along the gastrointestinal tract sections as average values for all four animals (Ø) and standard deviation (SD).

	Jejunum		Ileum		Caecum		Colon
	Ø	SD	Ø	SD	Ø	SD	Ø	SD
Actinobacteria
Atopobiaceae	0.3	0.5	0.0	0.0	0.0	0.0	0.0	0.0
Bifidobacteriaceae	5.7	2.9	5.6	3.5	1.1	0.7	0.3	0.6
Streptomycetaceae	0.3	0.5	0.0	0.0	0.0	0.0	0.0	0.0
Bacteroidetes
Bacteroidaceae	1.2	1.5	1.0	1.7	5.9	2.0	5.0	1.2
Porphyromonadaceae	0.6	0.6	0.4	0.6	2.5	0.5	2.6	0.4
Prevotellaceae	20.7	19.9	17.7	18.3	26.0	3.9	27.2	3.1
Rikenellaceae	0.0	0.0	0.0	0.0	0.3	0.6	0.7	0.7
Firmicutes
Acidaminococcaceae	0.9	0.5	1.6	1.3	2.1	0.3	2.4	0.3
Clostridiaceae	13.0	6.0	15.7	6.4	10.4	2.2	11.6	3.3
Erysipelotrichaceae	1.7	1.0	1.9	1.2	1.1	0.7	1.2	0.7
Eubacteriaceae	1.3	0.8	1.7	1.1	2.5	0.7	2.3	0.8
Lachnospiraceae	4.7	0.8	3.8	1.2	7.8	1.2	8.7	0.9
Lactobacillaceae	15.0	7.8	17.7	10.7	8.9	2.0	6.4	1.4
Oscillospiraceae	0.5	0.9	0.4	0.6	1.0	1.1	1.1	1.1
Paenibacillaceae	0.3	0.6	0.0	0.0	0.0	0.0	0.0	0.0
Peptostreptococcaceae	1.5	1.5	1.8	1.9	0.7	0.7	0.9	0.9
Ruminococcaceae	3.0	1.1	2.7	1.8	7.6	2.5	6.9	3.3
Selenomonadaceae	8.9	3.3	8.9	3.2	5.8	2.1	5.6	2.0
Streptococcaceae	1.7	1.1	2.1	1.7	1.7	1.6	2.0	1.7
Veillonellaceae	10.5	6.3	8.8	5.7	5.6	2.5	4.8	2.0
Proteobacteria
Pasteurellaceae	0.3	0.5	0.0	0.0	0.0	0.0	0.0	0.0
Spirochaetes
Brachyspiraceae	0.8	0.8	0.6	1.0	0.0	0.0	0.0	0.0
Leptospiraceae	0.3	0.5	0.0	0.0	0.0	0.0	0.3	0.4
other	6.9	2.1	7.8	1.0	9.0	1.7	10.1	0.3
no. of peptides	192	46.2	176	60.1	509	75	486	95