Table 2 Effects of lidocaine-HCl dose and starting water salinity on anesthesia among marine medaka, Oryzias dancena
Dose(mgL-1) | Exposure time (sec)* |
0 ppt | 10 ppt | 20 ppt | 30 ppt | 40 ppt |
200 | 250.1±14.90a | 313.3±12.43b | 323.8±38.75c | 397.4±95.78d | 396.1±63.49d |
300 | 182.4±21.25a | 255.8±29.20b | 255.2±33.69b | 260.9±39.18bc | 263.0±30.29c |
400 | 150.0±33.78a | 170.1±17.76b | 187.9±15.38c | 200.9±27.14d | 199.0±16.46d |
500 | 110.4±15.46b | 105.3±32.22a | 158.9±28.97c | 167.1±23.27c | 167.9±28.31c |
600 | 83.0±15.32a | 82.4±28.19a | 134.9±27.12b | 134.8±16.75b | 138.8±43.29c |
700 | 76.0±16.63b | 62.4±15.66a | 95.6±35.76c | 99.5±0 9.14c | 101.5±34.31d |
800 | 57.0±8.91b | 47.6±7.21a | 74.7±12.05c | 76.6±0 4.86c | 78.7±17.18c |
Dose(mgL-1) | Recovery time (sec)* |
0 ppt | 10 ppt | 20 ppt | 30 ppt | 40 ppt |
200 | 379.0±35.45d | 208.2±20.83 a | 330.0±37.33c | 310.4±39.40b | 308.2±58.47b |
300 | 350.0±24.81d | 234.4±131.83a | 320.5±73.06c | 305.2±34.50b | 300.5±40.80b |
400 | 327.2±68.13d | 260.5±169.29a | 280.5±48.56c | 272.2±38.34b | 270.4±84.46b |
500 | 325.4±68.10d | 214.0±92.94a | 238.5±38.07c | 223.8±35.34b | 220.1±53.95b |
600 | 325.8±156.61b | 168.7±179.91a | 169.8±29.72a | 171.1±20.71a | 170.0±33.56a |
700 | 323.3±67.40c | 146.9±56.28a | 167.0±43.54b | 166.8±31.70b | 166.9±40.39b |
800 | 322.1±60.25c | 129.6±70.31a | 132.3±20.15b | 133.1±15.88b | 132.5±24.74b |
Two-way ANOVA (exposure time) |
| DF | Anova SS | Mean square | F-value | P-value |
Salinity | 4 | 179,621.5 | 4,905.379 | 46.625 | <0.0001 |
Dose | 6 | 2,583,927 | 430,654.5 | 447.147 | <0.0001 |
Interaction | 24 | 92,106.646 | 3,837.777 | 3.985 | <0.0001 |
Two-way ANOVA (recovery time) |
| DF | Anova SS | Mean square | F-value | P-value |
Salinity | 4 | 638,164.1 | 159,541.0 | 52.927 | <0.0001 |
Dose | 6 | 1,248,225 | 208,037.6 | 69.016 | <0.0001 |
Interaction | 24 | 191,254.8 | 7,968.949 | 2.644 | <0.0001 |
* Each value is mean±standard error of duplicate experiments. Values in the same column not sharing common superscripts are significantly different (P<0.05).