Respiratory potentials of the fish (Tilapia mossambica) under malathion, carbaryl and lindane intoxication [Insecticides]

Experiments are described to evaluate the effects of the pesticides malathion, carbaryl and lindane on the respiration of fish over a 48 hour period. Oxygen consumption was determined and liver and brain tissues analysed for respiratory enzymes. The rate of oxygen consumption during the first 24 hou...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1984-01, Vol.32 (5), p.570-574
Main Authors: Basha, S M, Rao, K S, Rao, K R, Rao, K V
Format: Article
Language:English
Subjects:
Animals
Brain - enzymology
Carbaryl - toxicity
Electron Transport Complex IV - metabolism
Fishes - physiology
Freshwater
Hexachlorocyclohexane - toxicity
Liver - enzymology
Malate Dehydrogenase - metabolism
Malathion - toxicity
Oxygen Consumption - drug effects
Respiration - drug effects
Succinate Dehydrogenase - metabolism
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Summary:Experiments are described to evaluate the effects of the pesticides malathion, carbaryl and lindane on the respiration of fish over a 48 hour period. Oxygen consumption was determined and liver and brain tissues analysed for respiratory enzymes. The rate of oxygen consumption during the first 24 hours of exposure increased, then decreased during later periods. Similar decreases in the activity levels of the respiratory enzymes, succinate dehydrogenase and malate dehydrogenase were also recorded. It was inferred that there was a shift towards anaerobiosis at the tissue level during sublethal intoxication by these pesticides.
ISSN:0007-4861
1432-0800
DOI:10.1007/BF01607539