Table 4.
Nutrient digestibility and intestinal morphology of weaned pigs fed diets with or without dietary yeast cell wall.
| Item 1 | CON | YCW | SEM | p-Value |
|---|---|---|---|---|
| Apparent ileal digestibility, % | ||||
| Dry matter | 79.76 | 80.75 | 0.27 | 0.024 |
| Crude protein | 72.27 | 71.68 | 2.56 | 0.873 |
| Energy | 75.77 | 78.14 | 0.78 | 0.052 |
| Apparent total tract digestibility, % | ||||
| Dry matter | 84.06 | 86.02 | 0.90 | 0.147 |
| Crude protein | 76.17 | 76.11 | 1.02 | 0.972 |
| Energy | 81.61 | 83.46 | 0.69 | 0.085 |
| Duodenum | ||||
| Villus height, μm | 317.73 | 356.68 | 16.12 | 0.113 |
| Crypt depth, μm | 266.48 | 236.14 | 12.31 | 0.107 |
| VH:CD, μm/μm | 1.19 | 1.52 | 0.05 | 0.001 |
| Villus width, μm | 137.83 | 162.61 | 6.76 | 0.024 |
| Villus area, μm2 | 38,286 | 46,226 | 1688 | 0.006 |
| Goblet cell, n | 9.93 | 13.95 | 1.10 | 0.024 |
| Jejunum | ||||
| Villus height, μm | 307.05 | 338.81 | 19.42 | 0.349 |
| Crypt depth, μm | 263.97 | 238.44 | 19.85 | 0.381 |
| VH:CD, μm/μm | 1.19 | 1.42 | 0.08 | 0.077 |
| Villus width, μm | 159.44 | 173.99 | 8.58 | 0.254 |
| Villus area, μm2 | 40,550 | 42,568 | 1491 | 0.357 |
| Goblet cell, n | 9.03 | 13.27 | 1.05 | 0.014 |
| Ileum | ||||
| Villus height, μm | 393.54 | 416.01 | 10.95 | 0.172 |
| Crypt depth, μm | 256.93 | 242.39 | 13.98 | 0.476 |
| VH:CD, μm/μm | 1.55 | 1.74 | 0.09 | 0.153 |
| Villus width, μm | 143.70 | 173.31 | 10.08 | 0.060 |
| Villus area, μm2 | 32,201 | 41,849 | 3691 | 0.089 |
| Goblet cell, n | 14.71 | 14.94 | 0.86 | 0.851 |
1 CON = a basal diet; YCW = CON with 0.05% dietary yeast cell wall; VH:CD = ratio between villus height to crypt depth; n = 7.