Table 5.

Mean relative abundance of phyla classified in the rumen liquid fraction of Simmental bulls phenotypically divergent for residual feed intake (RFI).

	Liquid
Phylum	HRFI	LRFI	P-value	FDR	Log2 LRFI/HRFI	ρ	P-value
HRFI n = 14 LRFI n = 13
F:B	1.05	1.00	NS	NS	n/a	0.15	NS
Actinobacteria	1.10	1.53	NS	NS	0.48	0.10	NS
Bacteroidetes	34.31	35.09	NS	NS	0.03	-0.09	NS
Chloroflexi	0.17	0.21	NS	NS	0.32	-0.14	NS
Cyanobacteria	0.71	1.11	<0.1	NS	0.65	-0.44	<0.05
Elusimicrobia	0.06	0.14	NS	NS	1.15	-0.27	NS
Euryarchaeota	2.94	3.65	NS	NS	0.31	-0.14	NS
Fibrobacteres	0.14	0.67	<0.01	NS	2.24	-0.58	<0.01
Firmicutes	36.04	34.95	NS	NS	-0.04	0.26	NS
LD1	0.00	0.00	NS	NS	-3.34	0.08	NS
Lentisphaerae	0.06	0.04	NS	NS	-0.52	-0.01	NS
Planctomycetes	0.17	0.20	NS	NS	0.28	0.07	NS
Proteobacteria	21.03	18.63	NS	NS	-0.17	0.03	NS
Spirochaetes	0.96	0.73	NS	NS	-0.39	-0.06	NS
SR1	0.01	0.01	NS	NS	0.68	-0.07	NS
Synergistetes	0.06	0.09	NS	NS	0.61	-0.28	NS
Tenericutes	0.68	1.14	<0.1	NS	0.75	-0.42	<0.05
TM7	0.54	0.63	NS	NS	0.23	0.02	NS
Verrucomicrobia	0.52	0.53	NS	NS	0.04	-0.21	NS
WPS-2	0.22	0.07	NS	NS	-1.56	0.03	NS

P-values are derived using a Wilcoxon Rank Sum test to assess the differences between treatments with FDR correction. The fold change between LRFI and HRFI bulls is also recorded in the table as is the correlation coefficient (ρ) and P-value for each phylum and RFI group.