Table 3 Reproductive performances of females, egg quality and fingerling biometric parameters according to diet treatment during reproductive Cycle 2 and Cycle 3
Cycle 1 | Cycle 2 | Statistical results | ||||||
|---|---|---|---|---|---|---|---|---|
Diets | CB | MAB | CB | MAB | Diet | Cycle | Diet × Cycle | |
Female biometric parameters and reproductive performances | ||||||||
Survival, % | 90.32 ± 2.38 | 91.81 ± 0.71 | 94.10 ± 3.78 | 90.00 ± 14.14 | n.s | n.s | n.s | |
Weight female at spawning time, g | 3770.39 ± 349.83 | 3799.18 ± 310.41 | 5285.21 ± 623.48 | 5016.32 ± 510.36 | n.s | *** | ** | |
Egg spawn weight, g | 551.91 ± 123.11 | 542.98 ± 119.53 | 682.56 ± 135.11 | 675.02 ± 133.11 | n.s | *** | n.s | |
Absolute fecundity, eggs per female | 7887.09 ± 2008.14 | 8086.81 ± 2046.72 | 9175.20 ± 2005.94 | 9988.04 ± 2173.13 | n.s | *** | n.s | |
Relative fecundity, eggs/kg of female | 2108.84 ± 543.57 | 2134.54 ± 534.79 | 1764.04 ± 450.98 | 2007.70 ± 451.19 | n.s | *** | n.s | |
Egg quality | ||||||||
Egg diameter, mm | 5.20 ± 1.11 | 5.15 ± 0.19 | 4.90 ± 0.48 | 4.64 ± 0.63 | ** | *** | * | |
Coefficient of variation of egg diameter | 3.29 ± 1.11 | 3.15 ± 0.88 | 3.07 ± 0.51 | 3.03 ± 0.43 | n.s | n.s | n.s | |
White eggs, % | 6.41 ± 8.58 | 6.66 ± 9.98 | 8.89 ± 16.72 | 2.88 ± 5.13 | n.s | n.s | * | |
Embryo development | ||||||||
Fry survival after resorption, % | _ | _ | 47.58 ± 33.65 | 70.29 ± 17.55 | * | _ | _ | |
Fry weigth, mg | _ | _ | 12.99 ± 1.48 | 12.53 ± 1.52 | n.s | _ | _ | |
Malformation rate of fry, % | _ | _ | 3.87 ± 5.55 | 4.30 ± 6.63 | n.s | _ | _ | |
No resorption rate of fry, % | _ | _ | 0.40 ± 0.82 | 0.41 ± 0.35 | n.s | _ | _ | |