On the response of Catla catla (Ham) and Cirrhinus mrigala (Ham) to the voltage gradient of electrical field
The threshold body voltage (voltage gradient between head and tail) required for first reaction, electro-taxis and electro-narcosis depended upon species, conductivity of the fish body, nature of current and wave shape. Larger fishes showed first reaction at a lower body voltage than smaller ones. All the three reactions were dependent on the accommodation of nerves to the electrical field and subsequent fatigue of the fishes. No significant change was observed in the period of narcosis and recovery after repeated stimulation.
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| Main Authors: | , |
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| Format: | article biblioteca |
| Language: | English |
| Published: |
1969
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| Subjects: | Fisheries, electrical fishing, Catla catla, Cirrhinus mrigala, electro-narcosis, electro-taxis, electrical treatment, |
| Online Access: | http://hdl.handle.net/1834/32148 |
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| Summary: | The threshold body voltage (voltage gradient between head and tail) required for first reaction, electro-taxis and electro-narcosis depended upon species, conductivity of the fish body, nature of current and wave shape. Larger fishes showed first reaction at a lower body voltage than smaller ones. All the three reactions were dependent on the accommodation of nerves to the electrical field and subsequent fatigue of the fishes. No significant change was observed in the period of narcosis and recovery after repeated stimulation. |
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