Table 3.
Relative abundances of differential microbial taxa between RFI groups in three beef breeds
| Taxon | H-RFI | L-RFI | P value1 | |
|---|---|---|---|---|
| (mean ± SEM) (%) | (mean ± SEM) (%) | |||
| Angus | ||||
| Genus level | Unnamed RF19 | 0.49 ± 0.08 | 1.31 ± 0.32 | 0.045 |
| Charolais | ||||
| Phylum level | Firmicutes | 22.45 ± 2.14 | 28.56 ± 1.82 | 0.042 |
| Phylum level | Chloroflexi | 0.03 ± 0.01 | 0.05 ± 0.01 | 0.046 |
| Genus level | Unclassified Clostridiales | 3.05 ± 0.36 | 4.38 ± 0.25 | 0.008 |
| Genus level | Unnamed Ruminococcaceae | 1.20 ± 0.34 | 2.15 ± 0.32 | 0.040 |
| Genus level | Unnamed S24-7 | 0.76 ± 0.20 | 1.84 ± 0.44 | 0.025 |
| Genus level | Succiniclasticum | 0.34 ± 0.15 | 0.91 ± 0.10 | 0.004 |
| Genus level | Unnamed Mogibacteriaceae | 0.38 ± 0.06 | 0.58 ± 0.05 | 0.023 |
| Genus level | Moryella | 0.29 ± 0.05 | 0.56 ± 0.04 | 0.002 |
| Genus level | Unclassified Clostridia | 0.20 ± 0.02 | 0.32 ± 0.04 | 0.012 |
| Genus level | CF231 | 0.09 ± 0.02 | 0.21 ± 0.03 | 0.009 |
| Genus level | Unclassified Lachnospiraceae | 0.07 ± 0.01 | 0.11 ± 0.01 | 0.042 |
| Genus level | p-75-a5 | 0.05 ± 0.01 | 0.10 ± 0.02 | 0.023 |
| Genus level | Unclassified Mogibacteriaceae | 0.05 ± 0.01 | 0.08 ± 0.01 | 0.049 |
| Genus level | R4-45B | 0.01 ± 0.01 | 0.04 ± 0.01 | 0.019 |
| Genus level | Blautia | 0.004 ± 0.001 | 0.013 ± 0.003 | 0.004 |
| Genus level | Adlercreutzia | 0.004 ± 0.001 | 0.007 ± 0.001 | 0.046 |
| Genus level | Unclassified Christensenellaceae | 0.004 ± 0.001 | 0.007 ± 0.001 | 0.043 |
| Genus level | Unclassified Anaerolineae | 0.003 ± 0.000 | 0.005 ± 0.001 | 0.018 |
| Species level | Unclassified Methanomassiliicoccaceae | 23.41 ± 1.31 | 14.65 ± 2.96 | 0.014 |
| Species level | Unclassified Methanobrevibacter | 5.48 ± 0.65 | 8.24 ± 1.05 | 0.033 |
| Species level | Unclassified group11 | 10.72 ± 0.86 | 6.22 ± 1.69 | 0.019 |
| Species level | Candidatus Methanomethylophilus alvus | 4.46 ± 0.37 | 2.68 ± 0.75 | 0.027 |
| Kinsella composite hybrid | ||||
| Genus level | Unclassified Bacteroidales | 1.04 ± 0.13 | 1.62 ± 0.09 | 0.003 |
| Genus level | Unclassified Bacteroidetes | 0.86 ± 0.16 | 1.73 ± 0.15 | 0.001 |
| Genus level | Butyrivibrio | 0.97 ± 0.12 | 1.58 ± 0.18 | 0.009 |
| Genus level | Unnamed Victivallaceae | 0.77 ± 0.17 | 1.70 ± 0.21 | 0.006 |
| Genus level | Desulfovibrio | 0.21 ± 0.03 | 0.43 ± 0.05 | 0.002 |
| Genus level | Unnamed Mogibacteriaceae | 0.24 ± 0.02 | 0.36 ± 0.05 | 0.042 |
| Genus level | Unclassified Clostridia | 0.20 ± 0.02 | 0.29 ± 0.02 | 0.009 |
| Genus level | Unnamed Christensenellaceae | 0.07 ± 0.01 | 0.25 ± 0.10 | 0.036 |
| Genus level | Unclassified Paraprevotellaceae | 0.18 ± 0.03 | 0.12 ± 0.01 | 0.015 |
| Genus level | Shuttleworthia | 0.26 ± 0.09 | 0.03 ± 0.01 | 0.008 |
| Genus level | Unnamed Paraprevotellaceae | 0.19 ± 0.04 | 0.10 ± 0.01 | 0.045 |
| Genus level | Unclassified Aeromonadales | 0.15 ± 0.07 | 0.01 ± 0.00 | 0.027 |
| Genus level | Unnamed Spirochaetaceae | 0.04 ± 0.01 | 0.10 ± 0.02 | 0.015 |
| Genus level | Desulfobulbus | 0.10 ± 0.03 | 0.03 ± 0.01 | 0.009 |
| Genus level | Unclassified Verrucomicrobia | 0.04 ± 0.01 | 0.07 ± 0.01 | 0.045 |
| Genus level | Unnamed R4-45B | 0.02 ± 0.01 | 0.07 ± 0.02 | 0.008 |
| Genus level | Mitsuokella | 0.05 ± 0.01 | 0.01 ± 0.00 | 0.029 |
| Genus level | L7A_E11 | 0.01 ± 0.00 | 0.04 ± 0.01 | 0.006 |
| Genus level | Roseburia | 0.04 ± 0.01 | 0.01 ± 0.00 | 0.020 |
| Genus level | Blautia | 0.01 ± 0.00 | 0.04 ± 0.01 | 0.035 |
| Genus level | Unclassified Lentisphaeria | 0.01 ± 0.00 | 0.03 ± 0.01 | 0.005 |
| Genus level | Unclassified Desulfovibrionaceae | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.039 |
| Species level | Methanobrevibacter smithii | 2.04 ± 0.17 | 2.95 ± 0.38 | 0.040 |
1P values were calculated between H- and L-RFI groups using t test within each breed, based on arcsine square root-transformed relative abundances