Physical characteristics of experimental rainbow trout
| Variables . | Maturing males (N=26) . | Immature males (N=64) . | Immature females (N=60) . |
|---|---|---|---|
| Body mass (g) | 468±23 | 542±41 | 421±16 |
| Fork length (cm) | 33.4±0.9 | 34.8±1.0 | 31.3±1.3 |
| Ventricle mass (mg) | 630±3* | 482±4 | 396±4 |
| RVM (%) | 0.24±0.04* | 0.12±0.01 | 0.10±0.01 |
| Gonad mass (g) | 15.02±1.12* | 0.58±2.01 | 0.82±0.87 |
| GSI (%) | 4.49±0.31* | 0.12±0.37 | 0.19±0.17 |
| Variables . | Maturing males (N=26) . | Immature males (N=64) . | Immature females (N=60) . |
|---|---|---|---|
| Body mass (g) | 468±23 | 542±41 | 421±16 |
| Fork length (cm) | 33.4±0.9 | 34.8±1.0 | 31.3±1.3 |
| Ventricle mass (mg) | 630±3* | 482±4 | 396±4 |
| RVM (%) | 0.24±0.04* | 0.12±0.01 | 0.10±0.01 |
| Gonad mass (g) | 15.02±1.12* | 0.58±2.01 | 0.82±0.87 |
| GSI (%) | 4.49±0.31* | 0.12±0.37 | 0.19±0.17 |
Values are means ± s.e.m. RVM = (ventricle mass/body mass) ×100; GSI = (gonad mass/body mass) × 100. *P<0.01 versus immature males and females.