Table 5.
Effects of fiber level and vitamin C inclusion on the histomorphological parameters of the intestinal mucosa of the middle portion of the jejunum at 22 wk of age.
| Effects | Villi height (μm) | Lieberkühn crypt depth (μm) | Ratio height/depth |
|---|---|---|---|
| Fiber level | |||
| CTR | 974 | 160 | 6.12 |
| FBR | 935 | 166 | 5.67 |
| Vitamin C inclusion | |||
| C− | 982 | 162 | 6.00 |
| C+ | 925 | 165 | 5.73 |
| SEM (n = 21) | 32.6 | 3.5 | 0.250 |
| P-values | |||
| Fiber level | 0.471 | 0.411 | 0.323 |
| Vitamin C inclusion | 0.318 | 0.618 | 0.570 |
| Interaction | 0.955 | 0.884 | 0.905 |
Abbreviations: C−, not vitamin C–supplemented diet; C+, vitamin C–supplemented diet; CTR, control diet; FBR, fibrous diet.
P < 0.05 was considered significant.