Table 5.
Relative proportion of microbial populations in the ileal and caecal digesta based on the operational taxonomic units1.
| Item | Ileum |
Cecum |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTR | XYL | XYL + LY | Pooled SD | P-value 2 | Adjusted P-value 3 |
CTR | XYL | XYL + LY | Pooled SD | P-value2 | Adjusted P-value 3 |
|
| Bacteroidaceae | 0.0 | 0.0 | 0.2 | 0.22 | 1.000 | 1.000 | n.d | n.d | n.d | |||
| Bifidobacteriaceae | 0.0 | 0.0 | 0.2 | 0.24 | 1.000 | 1.000 | 0.5 | 0.3 | 0.1 | 0.58 | 0.011 | 0.115 |
| Clostridiaceae | 20.0 | 10.2 | 5.8 | 11.92 | 0.068 | 0.163 | 4.5 | 1.6 | 4.5 | 5.75 | 0.076 | 0.241 |
| Enterobacteriaceae | 7.8 | 3.2 | 0.7 | 9.54 | 0.129 | 0.257 | 2.2 | 0.0 | 3.4 | 6.89 | 0.021 | 0.115 |
| Enterococcaceae | n.d | n.d | n.d | 0.0 | 0.0 | 0.1 | 0.22 | 1.000 | 1.000 | |||
| Eubacteriaceae | 0.0 | 0.2 | 1.6 | 2.24 | 1.000 | 1.000 | 8.8 | 7.9 | 3.6 | 5.18 | 0.218 | 0.399 |
| Lachnospiraceae | 0.0 | 0.7 | 0.6 | 1.52 | 1.000 | 1.000 | 5.6 | 3.6 | 5.4 | 3.29 | 0.128 | 0.282 |
| Lactobacillaceae | 53.9 | 64.3 | 78.7 | 20.44 | 0.468 | 0.702 | 41.2 | 56.4 | 49.2 | 14.70 | 0.654 | 0.720 |
| Mycoplasmataceae | 0.0 | 0.2 | 0.0 | 0.41 | 1.000 | 1.000 | n.d | n.d | n.d | |||
| Prevotellaceae | 0.0 | 0.0 | 0.9 | 1.29 | 1.000 | 1.000 | 1.6 | 1.5 | 0.3 | 1.91 | 0.420 | 0.513 |
| Ruminococcaceae | 0.0 | 3.6 | 2.9 | 7.82 | 1.000 | 1.000 | 17.5 | 13.7 | 14.0 | 8.15 | 0.088 | 0.241 |
| Streptococcaceae | 18.4 | 17.7 | 7.4 | 15.38 | 0.318 | 0.545 | 5.3 | 6.5 | 6.0 | 4.26 | 0.358 | 0.492 |
| Veillonellaceae | 0.0 | 0.0 | 1.0 | 1.37 | 1.000 | 1.000 | 12.9 | 8.6 | 13.3 | 8.76 | 0.281 | 0.442 |
SD = standard deviation; n.d = non-determined.
1
Mean values from 10 piglets per treatment. CTR, control diet; XYL, CTR supplemented with xylanase at 16,000 birch xylan units/kg; XYL + LY, XYL supplemented with live yeast (2 × 1010 CFU/g) at 1 kg/t.
2
Obtained using a zero-inflated Gaussian mixture model.
3
P-values corrected by false-discovery rate.