Table 3.
Growth performance, feed utilization, and whole-body composition of blunt snout bream fed different experimental diets.
| Parameters | Control | HC | HCR |
|---|---|---|---|
| Initial weight (g) | 39.38 ± 0.17 | 39.45 ± 0.17 | 39.53 ± 0.05 |
| Final weight (g) | 85.05 ± 2.25 | 89.43 ± 4.39 | 88.81 ± 2.64 |
| Feed intake (g per fish) | 115.00 ± 5.47 | 121.94 ± 6.10 | 118.66 ± 8.74 |
| WGR (%) | 116.10 ± 5.21 | 126.76 ± 2.31 | 124.85 ± 6.90 |
| SGR (% day−1) | 1.10 ± 0.03 | 1.16 ± 0.07 | 1.15 ± 0.04 |
| FCR | 2.10 ± 0.06 | 2.03 ± 0.09 | 2.09 ± 0.05 |
| PER | 1.41 ± 0.05 | 1.53 ± 0.05 | 1.51 ± 0.06 |
| NRE (%) | 22.27 ± 0.87b | 28.34 ± 0.76a | 28.16 ± 0.17a |
| ERE (%) | 21.83 ± 0.50b | 25.05 ± 0.66a | 25.00 ± 0.28a |
| HSI (%) | 1.13 ± 0.02b | 1.39 ± 0.04a | 1.31 ± 0.05a |
| VSI (%) | 6.62 ± 0.27 | 6.47 ± 0.45 | 6.43 ± 0.22 |
| IPF (%) | 1.39 ± 0.07b | 1.76 ± 0.08a | 1.66 ± 0.06a |
| Whole-body composition | |||
| Moisture (%) | 70.71 ± 0.10 | 70.48 ± 0.67 | 70.78 ± 0.29 |
| Crude protein (%) | 16.80 ± 0.11 | 17.21 ± 0.25 | 17.20 ± 0.40 |
| Crude lipid (%) | 7.53 ± 0.26b | 8.32 ± 0.12a | 8.06 ± 0.11ab |
| Ash (%) | 3.11 ± 0.04 | 3.49 ± 0.08 | 3.31 ± 0.14 |
| Energy (MJ/kg) | 7.58 ± 0.28 | 7.81 ± 0.16 | 7.86 ± 0.12 |
Control, diet with 30% carbohydrate level; HC, diet with 41% carbohydrate level; HCR, diet with 41% carbohydrate and 0.04% resveratrol. Values are means ± SEM of four replications. Means in the same line with different letters were significantly different (P < 0.05).