Table 4.
Differentially abundant genera identified between the control and 3.0 g humic substances per day for solid associated microbes (SAM) on day 5, 10 and 15 and liquid associated microbes (LAM) on day 15 in a Rusitec fed a mixed hay – concentrate diet.
| Relative abundance (%) |
|||
|---|---|---|---|
| Genus | Control | 3.0 g HS/d | LDA score |
| SAM d 5 | |||
| Lachnospiraceae XPB1014 group | 0.58 ± 0.04 | 0.16 ± 0.07 | 3.8 |
| Succiniclasticum | 1.59 ± 0.15 | 0.88 ± 0.28 | 3.7 |
| SAM d 10 | |||
| Escherichia/Shigella | 0.02 ± 0.01 | 1.20 ± 0.49 | 3.8 |
| Anaeroplasma | 0.17 ± 0.10 | 0.90 ± 0.10 | 3.7 |
| Veillonellaceae UCG 001 | 1.11 ± 0.04 | 0.73 ± 0.18 | 3.6 |
| Ruminococcaceae UCG 002 | 0.32 ± 0.10 | 0.08 ± 0.02 | 3.5 |
| SAM d 15 | |||
| Fibrobacter | 11.49 ± 1.31 | 4.89 ± 0.28 | 4.6 |
| Ruminococcaceae UCG 010 | 0.16 ± 0.02 | 0.04 ± 0.02 | 3.7 |
| Olsenella | 0.18 ± 0.03 | 0.80 ± 0.25 | 3.7 |
| Pseudobutyrivibrio | 0.99 ± 0.07 | 1.34 ± 0.12 | 3.7 |
| Ruminococcaceae NK4A214 group | 0.35 ± 0.07 | 0.17 ± 0.05 | 3.5 |
| Papillibacter | 0.22 ± 0.05 | 0.09 ± 0.01 | 3.5 |
| LAM d 15 | |||
| Christensenellaceae R7 group | 1.74 ± 0.23 | 0.56 ± 0.13 | 3.9 |
| Succiniclasticum | 1.71 ± 0.10 | 0.81 ± 0.32 | 3.8 |
| Methanomicrobium | 0.005 ± 0.005 | 0.84 ± 0.43 | 3.8 |
| Prevotellaceae UCG 003 | 2.83 ± 0.30 | 1.80 ± 0.26 | 3.8 |
| Schwartzia | 0.46 ± 0.07 | 1.19 ± 0.33 | 3.8 |
| Coprococcus | 0.22 ± 0.03 | 0.02 ± 0.01 | 3.7 |
HS, humic substances; LDA = linear discriminant analysis. Bold text indicates higher abundance of genera. Values represent the percent relative abundance of each genus.