Table 5. The heterosis of several growth-related traits and survival rate in the interspecific hybrids of TS, TD, and TT
| Heterosis (%) | Traits |
| FW | FL | AGW | AGL | SGRW | SGRL | SR |
| MPH | | | | | | | |
| TS × TD | 7.27 | 2.87 | 6.98 | 3.62 | –2.45 | 0.05 | 7.78 |
| TD × TS | 11.32 | 3.54 | 13.14 | 4.98 | 0.76 | 0.74 | 4.07 |
| TS × TT | 3.05 | 2.08 | 4.18 | 6.75 | 3.34 | 5.87 | 0.50 |
| TT × TS | 7.22 | 2.96 | 7.25 | 5.29 | 1.15 | –6.61 | 1.60 |
| TD × TT | –0.94 | 1.05 | –1.56 | –1.75 | –3.24 | –3.54 | 5.00 |
| TT × TD | 14.64 | 5.36 | 16.39 | 7.51 | 0.69 | 2.01 | 12.79 |
| BPH | | | | | | | |
| TS × TD | 16.62 | 4.23 | 25.88 | –0.30 | –28.94 | –20.52 | –5.52 |
| TD × TS | 31.25 | 6.75 | 50.14 | 4.45 | –18.85 | –18.33 | –16.21 |
| TS × TT | –18.80 | –2.04 | –18.79 | 0.00 | 0.28 | 2.72 | –3.79 |
| TT × TS | –6.72 | 1.14 | –10.24 | –4.60 | –7.48 | –38.81 | 0.34 |
| TD × TT | –34.51 | –11.25 | –34.16 | –17.47 | 1.71 | –8.48 | –10.12 |
| TT × TD | 7.91 | 3.42 | 16.25 | 15.40 | 20.09 | 15.17 | 13.23 |
TS, Tor soro; TD, Tor douronensis; TT, Tor tambroides; FW, final weight; FL, final length; AGW, absolute growth of weight; AGL, absolute growth of length; SGRW, specific growth rate of weight; SGRL, specific growth rate of length; SR, survival rate; MPH, mid-parent heterosis; BPH, best-parent heterosis.