Table 2
Growth performance of rainbow trout fed the experimental diets for 8 weeks.
Diets Control A1 A2 B1 B2 p-value
IBW (g) 16.35 ± 0.30 16.55 ± 0.16 16.12 ± 0.85 16.46 ± 0.30 16.43 ± 0.33 0.565
4 weeks
FBW (g) 39.36 ± 1.16ab 41.95 ± 0.27a 38.49 ± 1.88b 40.93 ± 0.56ab 38.77 ± 1.82b 0.010
DGI 3.08 ± 0.13ab 3.30 ± 0.25a 3.04 ± 0.13ab 3.22 ± 0.09ab 3.01 ± 0.20b 0.024
FCR 1.11 ± 0.05 1.07 ± 0.07 1.13 ± 0.06 1.10 ± 0.06 1.15 ± 0.08 0.279
PER 1.94 ± 0.09 2.03 ± 0.15 1.91 ± 0.10 2.01 ± 0.10 1.92 ± 0.13 0.267
VFI 3.27 ± 0.11 3.29 ± 0.08 3.30 ± 0.12 3.35 ± 0.13 3.30 ± 0.10 0.720
Mortality (%) 0.00 ± 0.00a 0.00 ± 0.00a 0.00 ± 0.00a 0.00 ± 0.00a 2.50 ± 2.70b 0.012
8 weeks
FBW (g) 82.28 ± 3.00a 89.53 ± 3.65b 84.39 ± 5.35ab 86.97 ± 2.74ab 86.28 ± 3.32ab 0.029
DGI 3.23 ± 0.10a 3.44 ± 0.11b 3.32 ± 0.10ab 3.37 ± 0.09ab 3.35 ± 0.10ab 0.028
FCR 1.02 ± 0.05a 0.94 ± 0.05b 0.95 ± 0.04ab 0.97 ± 0.05ab 0.92 ± 0.02b 0.006
PER 2.11 ± 0.11a 2.29 ± 0.11b 2.27 ± 0.09ab 2.29 ± 0.11b 2.38 ± 0.04b 0.001
VFI 2.43 ± 0.10a 2.32 ± 0.08ab 2.30 ± 0.07b 2.36 ± 0.08ab 2.23 ± 0.02b 0.002
Mortality (%) 5.80 ± 8.00 5.80 ± 3.80 5.70 ± 5.00 4.20 ± 5.90 4.10 ± 3.80 0.869