Table 5.
Effect of diet on alpha diversity in piglets fed the experimental diets (n = 8)abcd
| Item | Gluconic acid (g/kg) | SEM | P | ||
|---|---|---|---|---|---|
| 0 | 9 | 18 | |||
| Distal small intestine | |||||
| ASV level | |||||
| Chao1 | 68.3 | 55.8 | 39.7 | 5.8 | 0.120 |
| Shannon | 2.26 | 1.64 | 1.18 | 0.20 | 0.068 |
| Reciprocal Simpson | 6.95a | 3.26ab | 2.22b | 0.80 | 0.031 |
| Genus level | |||||
| Chao1 | 6.57a | 5.00ab | 4.00b | 0.43 | 0.040 |
| Shannon | 0.58 | 0.32 | 0.28 | 0.06 | 0.079 |
| Reciprocal Simpson | 1.51 | 1.25 | 1.28 | 0.07 | 0.259 |
| Mid-colon | |||||
| ASV level | |||||
| Chao1 | 386 | 369 | 370 | 26 | 0.959 |
| Shannon | 4.58 | 4.73 | 5.05 | 0.13 | 0.305 |
| Reciprocal Simpson | 44.7 | 49.8 | 80.3 | 8.3 | 0.160 |
| Genus level | |||||
| Chao1 | 60.3 | 54.5 | 56.9 | 3.0 | 0.748 |
| Shannon | 2.56 | 2.47 | 2.79 | 0.12 | 0.557 |
| Reciprocal Simpson | 8.39 | 7.50 | 10.80 | 1.14 | 0.498 |
aPiglets were sampled on d 21
bASV, amplicon sequence variant
cChao1 index, richness; Shannon index, evenness; reciprocal Simpson index, diversity
dMeans within row without common superscript are significantly different, P < 0.05