Table 4.

Abundancy and taxonomy (genus level) of the OTU in order of statistical contribution to the separation between high and low FE boars fed a wheat/barley/by-product diet

OTU ID		Percentage of total sequences
	Classification	Low FE	High FE
OTU4	Lactobacillus	1.75	4.36
OTU24	Roseburia	0.23	1.36
OTU2	Unclassified Peptostreptococcaceaea	4.59	5.10
OTU12	Unclassified Prevotellaceaea	0.89	1.34
OTU3	Lactobacillus	1.71	1.60
OTU244	Prevotella	3.96	2.60
OTU5	Streptococcus	1.80	2.41
OTU8955	Roseburia	0.01	0.45
OTU1050	Unclassified Prevotellaceaea	0.95	0.16
OTU9	Prevotella	6.43	4.73
OTU3132	Roseburia	0.03	0.43
OTU1	Clostridium	8.96	7.28
OTU22	Roseburia	0.29	0.67
OTU12472	Clostridium	0.47	0.95
OTU41	Unclassified Prevotellaceaea	1.82	1.34
OTU180	Ruminococcus	0.07	0.29
OTU13	Roseburia	3.27	2.50

^aReliable depth of taxonomy is limited to family level (query sequence identical for at least 97%).