Table 2 Growth performance of black porgy Acanthopagrus schlegeli in the control (CS: no ozone) and ozonated systems (T20: g ozone/kg feed day-1, T40: 40 g ozone/kg feed day-1) after 44 days culture
CS | T20 | T40 | P value | |
|---|---|---|---|---|
Initial biomass (g) | 26,620 ± 482 | 26,200 ± 210 | 26,334 ± 370 | 0.909 |
Final biomass (g) | 29,020 ± 484 | 29,080 ± 486 | 29,010 ± 308 | 0.800 |
Feed conversion ratio | 3.09 ± 0.20 | 2.97 ± 0.34 | 3.19 ± 0.27 | 0.637 |
Specific growth rate (%/day) | 0.22 ± 0.00 | 0.23 ± 0.03 | 0.22 ± 0.03 | 0.650 |
Survival (%) | 98.3 ± 2.9 | 99.2 ± 1.4 | 99.2 ± 1.4 | 0.850 |