Table 3 Growth performance and nutrient utilization of P. Vannamei fed diets formulated with different inclusion levels of novel feed ingredients.
Parameters | Diet 1 | Diet 2 | Diet 3 | Diet 4 | p value |
|---|---|---|---|---|---|
Initial weight (g) | 1.52 ± 0.01 | 1.54 ± 0.03 | 1.56 ± 0.03 | 1.55 ± 0.03 | 0.331 |
Final weight (g) | 14.73 ± 0.10b | 14.21 ± 0.92b | 15.88 ± 0.33a | 16.02 ± 0.37a | 0.007 |
Weight gain (g) | 13.21 ± 0.10b | 12.67 ± 0.91b | 14.32 ± 0.35a | 14.47 ± 0.35a | 0.008 |
Average daily growth (g) | 0.22 ± 0.01b | 0.21 ± 0.01b | 0.24 ± 0.01a | 0.24 ± 0.01a | 0.008 |
Specific growth rate (% day−1) | 3.78 ± 0.01b | 3.70 ± 0.10b | 3.87 ± 0.06a | 3.89 ± 0.02a | 0.020 |
Feed conversion ratio | 1.31 ± 0.05 | 1.28 ± 0.04 | 1.24 ± 0.04 | 1.26 ± 0.05 | 0.324 |
Survival (%) | 94.28 ± 2.86 | 93.33 ± 1.65 | 93.33 ± 1.65 | 95.24 ± 1.65 | 0.627 |
Protein efficiency ratio | 2.15 ± 0.07 | 2.21 ± 0.06 | 2.27 ± 0.07 | 2.24 ± 0.09 | 0.344 |