Microbial population, per mL of ruminal fluid | Treatmentsa | SEM | P value | |
---|---|---|---|---|
CON | AL | |||
Total bacteria, × 1010 | 7.36 | 12.10 | 0.72 | <0.001 |
Protozoans, × 107 | 7.83 | 6.64 | 0.36 | 0.097 |
Methanogens, × 107 | 9.23 | 4.53 | 0.79 | 0.001 |
F. succinogenes, × 105 | 4.08 | 9.05 | 0.66 | <0.001 |
R. flavefaciens, × 108 | 4.18 | 6.84 | 0.43 | 0.001 |
R. albus, × 107 | 6.44 | 6.79 | 0.40 | 0.675 |
B. fibrisolvens, × 109 | 9.71 | 15.20 | 0.89 | 0.001 |