UTTAR PRADESH JOURNAL OF ZOOLOGY

EFFECTS OF TWO HEAVY METALS (COPPER SULPHATE AND CADMIUM SULPHATE) ON THE OXYGEN CONSUMPTION OF THE FISH CYPRINUS CARPIO (LINN.)

S. K. SARKAR *

DEPARTMENT OF ZOOLOGY, NETAJI NAGAR DAY COLLEGE, REGENT ESTATE, CALCUTTA - 700092, INDIA.

*Author to whom correspondence should be addressed.

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Abstract

The fish Cyprinus carpio, when exposed to mixture of copper sulphate and cadmium sulphate at different ratios (1 : 1, 2 2, 3 : 3, 4: 4, 5: 5) exhibited less oxygen consumption than individual metals. At 0.320 and 0.317 mg/l of copper sulphate and cadmium sulphate, the oxygen consumption of fish decreased by 9 and 12% of the control, respectively.

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