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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i4.90
7 pages

Peculiarities of Metabolic Processes in Fish under the Influence of Sublethal Copper and Zinc Concentrations

V. F. Kovalenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine


Sublethal concentrations of copper (0.03 mg/L and 0.10 mg/L) and zinc (0.3 mg/L and 1.0 mg/L) at temperatures 5°C, 15°C, and 25°C change the direction and intensity of metabolic processes in carp yearlings. These effects were evaluated by shifts in the oxygen consumption intensity, carbon dioxide elimination, and ammonia excretion. The responses observed are interpreted as the consequences of stimulation of anaerobic processes and increased expenditures of protein as an oxidative substrate.

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