Table 7. Effect of dietary fennel seed powder supplementation at three levels on intestinal morphological index (µm) of broilers.
| Parameter | CN1 | LF | MF | HF | P value2 |
|---|---|---|---|---|---|
| Intestinal wall thickness | |||||
| Duodenum | 238.22 ± 29.89 | 260.52 ± 33.05 | 280.06 ± 44.23 | 278.55 ± 36.19 | 0.364 |
| Jejunum | 252.56 ± 53.91 | 262.73 ± 33.94 | 309.35 ± 48.08 | 284.26 ± 43.05 | 0.341 |
| Ileum | 335.25 ± 47.55b | 410.41 ± 75.83ab | 453.74 ±55.53a | 420.22 ± 58.66ab | 0.089 |
| Crypt depth | |||||
| Duodenum | 209.83 ± 41.45 | 226.87 ± 29.76 | 263.72 ± 40.33 | 245.52 ± 35.37 | 0.245 |
| Jejunum | 202.35 ± 38.91 | 225.50 ± 28.87 | 240.15 ± 34.28 | 226.12 ± 24.67 | 0.448 |
| Ileum | 281.52 ± 50.17 | 296.08 ± 68.33 | 320.36 ± 47.14 | 306.01 ± 52.67 | 0.789 |
| Villus height | |||||
| Duodenum | 1314.93 ± 266.30b | 1378.09± 294.33ab | 1507.44 ± 280.85a | 1477.66 ± 363.67ab | 0.332 |
| Jejunum | 1366.21 ± 193.91 | 1391.82 ± 141.86 | 1530.84 ± 236.66 | 1438.63 ± 110.52 | 0.588 |
| Ileum | 1128.76 ± 159.24b | 1211.87 ± 210.67ab | 1492.33 ± 220.92a | 1369.88 ± 98.82ab | 0.058 |
Notes:
1
CN, basal diet without FSP; LF, 0.15% FSP; MF, 0.30% FSP; HF, 0.45% FSP.
2
Means within a row lacking a common superscript differ (P < 0.05).