Effect of benzocaine on opercular movement and oxygen consumption in Channa punctatus (Bloch)
Effect of anaesthetization with benzocaine at the rate of 18.0 mg.1super(-1) on juveniles of Channa punctatus was observed using a cylindrical glass respirometer. Oxygen consumption and opercular movement were studied at 3h and 24h of anaesthetization. The oxygen consumption of control fish increased linearly from 0.183±0.029 to 0.481±0.034 mlO sub(2).h super(-1) with an increase in body weight from 1.45±0.18 to 6.12±0.11g and showed a reduction (p<0.001) of about 41% in 3h and 37% in 24h anaesthetization of Benzocaine. Similarly, the opercular movement of control fish ranging between 46±1 to 49±1min super(-1) came down to show a reduction (p<0.001) of 43% and 38% respectively in 3h and 24h anaesthetization. The information is useful in calculation of oxygen requirement of this species for live transportation and other experimental purpose.
Main Authors: | Pandit, D.N., Ghosh, T.K. |
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Format: | article biblioteca |
Language: | English |
Published: |
2005
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Subjects: | Biology, benzocaine, anaesthetic, oxygen consumption, opercular movement, Channa punctatus, |
Online Access: | http://hdl.handle.net/1834/33310 |
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