Table 5.
Effects of dietary XOS supplementation on fecal microbiota abundance in weaned piglets (n = 6; lg copies/g).
| Items | Blank control group | XOS-supplemented groups (g/t) | Positive control group | Pooled SEM | P-value | ||
|---|---|---|---|---|---|---|---|
| 100 | 250 | 500 | |||||
| Day 7 | |||||||
| Lactobacillus | 6.82 | 6.89 | 7.22 | 7.20 | 7.36 | 0.31 | 0.33 |
| Bifidobacterium spp. | 5.44 | 5.68 | 5.51 | 5.58 | 5.84 | 0.17 | 0.17 |
| Escherichia coli | 6.38 | 6.66 | 6.35 | 6.37 | 6.71 | 0.22 | 0.37 |
| Bacteroidetes | 10.60 | 10.79 | 10.68 | 10.69 | 10.76 | 0.26 | 0.47 |
| Day 21 | |||||||
| Lactobacillus | 7.90a | 7.33ab | 6.94b | 6.57b | 6.50b | 0.28 | 0.02 |
| Bifidobacterium spp. | 5.78 | 5.84 | 5.91 | 5.22 | 5.54 | 0.11 | 0.27 |
| Escherichia coli | 6.14 | 5.84 | 6.12 | 6.16 | 6.23 | 0.11 | 0.64 |
| Bacteroidetes | 10.80 | 10.55 | 10.54 | 10.41 | 10.66 | 0.11 | 0.51 |
| Day 56 | |||||||
| Lactobacillus | 7.36b | 7.84a | 7.47ab | 7.43ab | 7.57ab | 0.13 | 0.02 |
| Bifidobacterium spp. | 6.20b | 7.15a | 7.13a | 7.14a | 6.94ab | 0.25 | 0.04 |
| Escherichia coli | 6.61 | 6.49 | 6.96 | 6.39 | 6.58 | 0.36 | 0.86 |
| Bacteroidetes | 10.90ab | 11.10a | 10.85ab | 10.98ab | 10.66b | 0.11 | 0.01 |
Data in the same row with different superscripts differ significantly (P < 0.05).