Table 2.
Growth performance and feed utilization of Gilthead seabream fed varying levels of dietary curcumin for 150 days.
| Item | Curcumin (%) | ||||
|---|---|---|---|---|---|
| 0 | 1.5 | 2 | 2.5 | 3 | |
| IBW (g) | 20.18 ± 0.51 | 20.15 ± 0.54 | 20.04 ± 0.26 | 19.91 ± 0.12 | 19.74 ± 0.42 |
| FBW (g) | 112.56 ± 0.65 d | 115.20 ± 0.81 cd | 117.13 ± 0.93 bc | 119.30 ± 0.87 b | 126.11 ± 0.38 a |
| WG (g) | 92.38 ± 0.88 d | 95.06 ± 1.23 cd | 97.10 ± 0.96 bc | 99.39 ± 0.76 b | 106.36 ± 0.48 a |
| SGR (%/day) | 1.15 ± 0.02 b | 1.16 ± 0.02 b | 1.18 ± 0.01 b | 1.19 ± 0.00 b | 1.24 ± 0.01 a |
| FCR | 1.61 ± 0.02 b | 1.72 ± 0.01 a | 1.65 ± 0.01 b | 1.56 ± 0.03 c | 1.35 ± 0.01 d |
| PER | 1.41 ± 0.02 bc | 1.32 ± 0.01 c | 1.37 ± 0.01 c | 1.45 ± 0.03 b | 1.67 ± 0.01 a |
| Survival (%) | 91.11 ± 5.88 | 95.56 ± 4.44 | 97.78 ± 2.22 | 95.56 ± 4.44 | 100.00 ± 0.00 |
Values in the same row with different letters are significantly different (p < 0.05) (n = 3). IBW: initial body weight (g), FBW: final body weight (g), WG: weight gain (g), SGR: specific growth rate, FCR: feed conversion ratio, PER: protein efficiency ratio.