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. 2022 Apr 29;13:855565. doi: 10.3389/fmicb.2022.855565

TABLE 1.

Characterization of the rumen bacterial genera in finishing beef cattle ranked for residual methane.

	RME Ranking¹
Bacteria genus	High	Medium	Low	SEM²	P-value
	n = 80	n = 96	n = 74
Anaeroplasma	0.71	0.77	0.76	0.11	0.59
Bifidobacterium	1.63	1.81	1.72	0.3	0.77
Butyrivibrio	1.35^a	1.12^a	0.80^b	0.19	<0.001
Eubacterium	0.55	0.56	0.68	0.07	0.06
Fibrobacter	4.35	4.21	4.08	0.5	0.77
Intestinibaculum	0.37^a	0.50^a	0.86^b	0.1	<0.0001
Mogibacterium	1.63^a	1.16^b	0.97^b	0.16	<0.0001
Olsenella	0.53^a	0.74^a	1.02^b	0.13	<0.0001
Prevotella	53.15	54.55	55.71	1.74	0.23
Pseudobutyrivibrio	0.69^a	0.52^b	0.43^b	0.09	<0.001
Ruminobacter	1.77	1.61	1.08	0.43	0.08
Ruminococcus	9.92	9.3	8.65	0.67	0.16
Selenomonas	0.74^a	0.85^a	1.21^b	0.15	<0.001
Sharpea	1.27^a	1.75^ab	1.86^b	0.26	0.03
Succiniclasticum	11.48	11.26	10.51	0.69	0.23
Succinivibrio	2.78	2.41	1.84	0.46	0.41
Treponema	1.63	1.61	1.56	0.17	0.82

¹ High = RME was > 0.5 SD above the mean; Medium = RME was ± 0.5 SD above and below the mean; Low = RME was > -0.5 SD below the mean.

² SEM = pooled standard error.

^a,bLeast squares means within main effect and a row with different superscripts differ.