| Abstract | Simulated transportation of winter flounder, Pleuronectes americanus fingerlings was carried out to study the effects of lidocaine-hydrochloride on water parameters. Dissolved oxygen, ventilation rate, ammonia nitrogen and pH of control group, sham control group and lidocaine-hydrochloride treated groups of 5 ppm, 10 ppm, 20 ppm were tested at 1 h, 2 h, 3 h, 4 h and 5 h treatment duration. Lidocaine-hydrochloride treated groups, followed by sham control and control, were most effective in decreasing oxygen consumption and excretion of ammonia by fish. Lidocaine-hydrochloride dose-related decrease in oxygen consumption and excretion of ammonia were also established. pH declines in lidocaine-hydrochloride and sham control groups were more rapid compared to the control group. The results of this study reveal that lidocaine-hydrochloride is an effective sedative as a transportation mixture for winter flounder. |
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