Table 2
Growth performance and feed utilization of post-hatching green turtles reared under different water depths (15 or 30 cm) and fed with commercial feed pellets (sinking or floating type).a The data (mean ± SEM) are for turtles sampled at the end of the experiment.
| Parameterb | 15 cm | 30 cm | P-values of the factorsc | ||||
|---|---|---|---|---|---|---|---|
| Sinking pellet | Floating pellet | Sinking pellet | Floating pellet | Depth | Pellet | Depth × Pellet | |
| Final body weight (g) | 107.17 ± 1.95 | 110.37 ± 1.89 | 105.65 ± 3.21 | 97.74 ± 3.29 | 0.029 | 0.403 | 0.071 |
| SCW (cm) | 7.36 ± 0.21 | 7.36 ± 0.01 | 7.30 ± 0.03 | 7.10 ± 0.11 | 0.221 | 0.431 | 0.431 |
| SCL (cm) | 8.45 ± 0.14 | 8.70 ± 0.07 | 8.51 ± 0.07 | 8.27 ± 0.16 | 0.148 | 0.956 | 0.067 |
| BCI (kg cm−1) | 1.78 ± 0.07 | 1.68 ± 0.06 | 1.72 ± 0.06 | 1.73 ± 0.04 | 0.339 | 0.319 | 0.314 |
| SGR (% BW day−1) | 2.71 ± 0.03 | 2.76 ± 0.03 | 2.69 ± 0.06 | 2.54 ± 0.06 | 0.035 | 0.424 | 0.061 |
| FR (% BW day−1) | 1.86 ± 0.07 | 1.42 ± 0.03 | 1.95 ± 0.05 | 1.58 ± 0.01 | 0.024 | <0.001 | 0.495 |
| FCR (g feed g gain−1) | 0.82 ± 0.04 | 0.61 ± 0.02 | 0.86 ± 0.03 | 0.73 ± 0.01 | 0.020 | <0.001 | 0.219 |
| PER (g gain g protein−1) | 2.81 ± 0.14 | 3.76 ± 0.09 | 2.67 ± 0.10 | 3.17 ± 0.07 | 0.007 | <0.001 | 0.070 |
Commercial floating or sinking feed pellets for marine carnivorous fish (Charoen Pokphand PCL., Samut Sakhon, Thailand).
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