Table 3. Effect of dietary fennel seed powder supplementation at three levels on the apparent metabolic rate in broilers (%).
| Items | CN1 | LF | MF | HF | P value2 |
|---|---|---|---|---|---|
| 21 days | |||||
| DM | 72.96 ± 2.94 | 71.15 ± 3.25 | 74.49 ± 3.58 | 70.3 ± 1.67 | 0.238 |
| OM | 75.29 ± 2.68 | 74.11 ± 3.10 | 76.63 ± 3.27 | 72.68 ± 1.40 | 0.254 |
| CP | 63.24 ± 7.42 | 67.22 ± 3.30 | 68.02 ± 4.10 | 64.3 ± 4.10 | 0.710 |
| Ash | 38.56 ± 6.87ab | 27.46 ± 5.71b | 42.79 ± 8.40a | 35.04 ± 5.84ab | 0.044 |
| 42 days | |||||
| DM | 65.95 ± 3.22 | 68.92 ± 2.25 | 68.78 ± 1.15 | 70.61 ± 5.35 | 0.315 |
| OM | 68.90 ± 3.08 | 71.36 ± 2.27 | 71.71 ± 1.10 | 73.13 ± 5.02 | 0.346 |
| CP | 48.76 ± 2.76 | 51.91 ± 9.02 | 48.56 ± 7.02 | 53.55 ± 9.76 | 0.749 |
| Ash | 19.36 ± 6.96 | 30.17 ± 10.92 | 22.17 ± 3.55 | 30.51 ± 11.47 | 0.233 |
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).