Table 1.
Growth performance and feed utilization of the juvenile L. vannamei, fed with different diets over the 50-day feeding trial.
| Items | D1 | D2 | D3 | D4 | D5 |
|---|---|---|---|---|---|
| Control | OFO | OFO + AX150 | OFO + AX250 | OFO + AX450 | |
| Initial body weight (g) | 0.53 ± 0.02 | 0.53 ± 0.01 | 0.53 ± 0.01 | 0.53 ± 0.02 | 0.53 ± 0.01 |
| Final body weight (g) | 9.62 ± 1.42 a,b | 8.31 ± 0.33 a | 8.78 ± 0.23 a,b | 10.46 ± 1.77 a,b | 11.09 ± 2.13 b |
| Weight gain (%) | 1674.2 ± 106.8 a,b | 1457.7 ± 62.2 a | 1548.7 ± 24.2 a,b | 1866.7 ± 335.9 a,b | 1980.8 ± 399.9 b |
| SGR (% day−1) | 5.13 ± 0.10 | 4.90 ± 0.04 | 5.00 ± 0.03 | 5.30 ± 0.17 | 5.40 ± 021 |
| Survival (%) | 87.78 ± 7.78 | 75.83 ± 6.85 | 81.11 ± 6.76 | 88.89 ± 9.50 | 86.67 ± 8.39 |
| FCR | 1.37 ± 0.07 | 1.42 ± 0.13 | 1.48 ± 0.02 | 1.18 ± 0.12 | 1.21 ± 0.26 |
a,b Mean values within a row without a common superscript letter were significantly different (p ≤ 0.05). Data represent mean ± SEM of four replicates.