Table 5 Change of carbon dioxide (CO2) concentrations during clove-oil-induced sedation of olive flounder, Paralichthys olivaceus in a simulated transport experiment
Time (hour) | CO2 (mg/L) |
Control | 1 ppm | 2 ppm | 3 ppm |
0 | 0.0 a | 0.0a | 0.0 a | 0.0 a |
1 | 12.5±2.14a | 12.1±1.89a | 11.6±1.46a | 11.9±2.03a |
2 | 20.0±2.37c | 18.2±2.42b | 17.5±1.98a | 16.3±2.32a |
3 | 28.7±2.72b | 27.3±2.78b | 24.3±2.38a | 25.7±2.84a |
4 | 32.3±2.98c | 30.2±2.56b | 27.1±2.45a | 27.4±3.15a |
5 | 33.6±3.12c | 31.8±3.08b | 29.8±2.92a | 28.9±3.36a |
6 | 37.5±3.68c | 34.4±3.34b | 32.7±2.96a | 31.3±3.52a |
The values are means of triplicate groups (n=20). Values in the same column not sharing common superscripts are significantly different (P<0.05).