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The rate of oxygen consumption was measured in mercury chloride treated freshwater fish, cyprinus carpio for 96h and compared to control group. The present investigation showed that average oxygen rate was decreased in all treated animal as compared to controlled group. Behavioural changes was also recorded in both concentration. The behavioural alterations observed like surfacing, erratic movement, increased mucous secretion, decreased opercular movement and loss of balance. The present study revealed that, mortality rate increased with increases in concentration.
Fresh water crab was exposed in fluoride water at 96h the rate of oxygen uptake was higher in gills followed by hepatopancreas and muscle. on exposure to fluoride water, tissue res...
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