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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimer: 0018-8166
ISSN En ligne: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v34.i4-5.100
pages 102-111

Specific Features of Tissue Metabolism in Fishes Reared in Regulated Recirculation Systems of Water Treatment

V. D. Solomatina
Institute of Hydrobiology, National Academy of Sciences of Ukraine Kiev, Ukraine
M. V. Malinovskaya
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. F. Kovalenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

RÉSUMÉ

The influence of high ammonium concentrations in water on its excretion by fishes and the dependence of this process on temperature were studied. It was shown that high environmental concentrations of ammonium lead to changes in gas exchange, the contents of nitrogen compounds and adenine nucleotides, and parameters of lipid metabolism in fish tissues. The adverse effect of ammonium manifests itself in the reduced role of proteins and lipids in cell energetics, which is the factor responsible for the impairment of organism's supply with energy-rich phosphorus compounds.


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