Table 8 Ammonium concentrations during lidocaine-HCl-induced anesthesia in the marine medaka, Oryzias dancena, in a simulated transport experiment
Exposuretime (hours) | Dose (mgL-1)* |
Control | 20 | 40 | 60 | 80 | 100 |
6 | 0.21±0.03a | 0.17±0.02b | 0.15±0.04c | 0.13±0.05d | 0.11±0.03e | 0.07±0.01f |
12 | 0.32±0.09a | 0.25±0.05b | 0.24±0.04c | 0.22±0.03d | 0.20±0.05e | 0.18±0.04f |
18 | 0.38±0.04a | 0.34±0.04b | 0.32±0.06c | 0.30±0.03d | 0.28±0.04e | 0.26±0.04f |
24 | 0.44±0.05a | 0.40±0.07b | 0.38±0.05c | 0.36±0.03d | 0.33±0.05e | 0.30±0.08f |
30 | 0.49±0.02a | 0.45±0.04b | 0.43±0.05c | 0.42±0.04d | 0.40±0.06e | 0.37±0.07f |
36 | 0.58±0.07a | 0.54±0.07b | 0.51±0.04c | 0.50±0.06d | 0.47±0.09e | 0.44±0.05f |
42 | 0.64±0.06a | 0.60±0.05b | 0.57±0.07c | 0.55±0.03d | 0.52±0.05e | 0.48±0.07f |
48 | 0.69±0.01a | 0.64±0.05b | 0.62±0.08c | 0.58±0.09d | 0.55±0.05e | 0.53±0.08f |
* Each value is the mean±standard deviation (n = 60) of triplicate experiments. Values in the same column not sharing common superscripts are significantly different among doses (P<0.05).