Table 6. Particular bacterial species and methanogen population in steers differing breed (n = 49) in LE.

Variable	Breed			P value
	Angus	Charolais	Hybrid
	Mean ± SEM	Mean ± SEM	Mean ± SEM
	(n = 5)	(n = 19)	(n = 25)
Total bacteria	7.38E10±2.31E10	3.08E10±1.186E10	5.72E10±1.03E10	0.14
Succinivibrio sp. (%)	7.32±9.12	29.57±4.68	17.28±4.08	0.05
Eubacterium sp. (%)	0.03±0.11	0.08±0.05	0.19±0.05	0.24
Robinsoniella sp. (%)	0.002±0.002	0.003±9.55E−4	0.004±8.32E−4	0.47
Total Methanogens	3.82E7±6.59E6	1.79E7±3.38E6	2.43E7±2.94E6	0.03