Table 2.
α-Diversity of jejunal mucosa-associated microbiota at the family and genus level estimated with Chao1 richness, Shannon diversity, and Simpson diversity in nursery pigs fed diets with reduced ME and xylanase supplementation
| Treatment1 | CON | LE | LEX | P value | ||
|---|---|---|---|---|---|---|
| ME/xylanase | 3,400/0 | 3,300/0 | 3,300/3,600 | SEM | CON vs. LE | LE vs. LEX |
| Family | ||||||
| Chao1 | 6.54 | 7.02 | 10.70 | 1.81 | 0.823 | 0.088 |
| Shannon | 0.80 | 1.18 | 1.34 | 0.28 | 0.106 | 0.471 |
| Simpson | 0.37 | 0.58 | 0.58 | 0.13 | 0.058 | 1.000 |
| Genus | ||||||
| Chao1 | 6.00 | 5.57 | 7.86 | 1.61 | 0.794 | 0.142 |
| Shannon | 0.76 | 1.02 | 1.03 | 0.20 | 0.196 | 0.965 |
| Simpson | 0.35 | 0.54 | 0.48 | 0.11 | 0.087 | 0.540 |
1CON: metabolizable energy at 3,400 kcal ME/kg feed; LE: metabolizable energy at 3,300 kcal ME/kg feed; LEX: metabolizable energy at 3,300 kcal ME/kg feed and xylanase supplementation (3,600 XU/kg feed).