Table 5.
Effects of dietary supplementation of DFM containing multiple microbial species and their fermentation products in the diet of beef steers on the relative abundance of ruminal bacteria at the genus level
| Genus (% of total sequences)1 | CON | PROB | SYNB | SEM | P-value |
|---|---|---|---|---|---|
| Prevotella 1 | 72.6a | 65.6b | 64.1b | 2.67 | 0.01 |
| Prevotella 7 | 0.30b | 0.96b | 12.8a | 3.51 | 0.01 |
| Rikenellaceae RC9 gut group | 1.96b | 5.62a | 2.44b | 0.96 | 0.01 |
| Succinivibrio | 0.07b | 0.34b | 4.96a | 1.17 | 0.02 |
| Succinivibrionaceae UCG-001 | 0.88b | 4.44a | 0.00b | 1.39 | 0.01 |
| Succiniclasticum | 0.19b | 1.34a | 1.69a | 0.42 | 0.01 |
| Ruminococcaceae UCG-014 | 0.57b | 1.57a | 1.66a | 0.41 | 0.04 |
| Ruminococcaceae UCG-002 | 0.83b | 1.43a | 0.79b | 0.23 | 0.05 |
| Prevotellaceae UCG-001 | 1.14a | 0.60b | 0.44b | 0.17 | 0.01 |
1Only bacterial genera (≥ 0.1% of total sequences) that were different in any of the treatment groups (P ≤ 0.05) are shown.
a,bWithin a row, treatment means with different superscripts differ, P ≤ 0.05.