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

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v45.i3.90
pages 85-91

Effect of High Concentration of Ammonia Nitrogen on Morphophysiological Parameters of the Juvenile Carps

Yu. N. Krasiuk
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
A. S. Potrokhov
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
Yu. M. Khudiyash
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine


The toxic effect of high NH+4 concentrations (1, 5, 25 mg N/dm3) on physiological parameters of carp was investigated. It was stated that under the effect of these concentrations liver and kidney indexes practically did not change, spleen index increased. Total hemoglobin and its not-functional form methemoglobin concentration in carp's blood increased. Under the chronic impact of ammonia nitrogen its content in fish muscular tissue was relatively low.

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