Table 5.
Heterosis for total length (TL), body weight, hatching and survival rate in six cross breed groups of Ariza labeo (L. ariza). The single words picked to name the purebred and crossbred groups bear the full forms as G → Group, K → Kangsha River stock, J → Jamuna River stock and A → Atrai River stock.
Trait | Heterosis (%) | |||||
---|---|---|---|---|---|---|
G4K♀A♂ | G5K♀J♂ | G6A♀K♂ | G7A♀J♂ | G8J♀K♂ | G9J♀A♂ | |
Length | 8.87 | 6.07 | 7.19 | 4.14 | 5.18 | 5.61 |
Weight | 24.74 | 23.10 | 21.37 | 20.50 | 22.29 | 22.24 |
Hatching rate | 2.30 | 0.58 | −5.81 | −1.77 | 4.00 | −0.59 |
Survival rate | 2.50 | 3.20 | 1.25 | −0.63 | 3.20 | 0.63 |