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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

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

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v41.i1.50
pages 40-46

Metabolic Adaptation of Yearlings and Two-Year Old Carps to the Wintering Conditions

A. O. Zhydenko
Chernigiv State Pedagogical University, Chernigiv, Ukraine
V. V. Kryvopysha
Chernigov State Pedagogical University, Chernigov, Ukraine

RÉSUMÉ

Seasonal dynamics (October, February, and April) of ketone bodies (acetacetate, acetone, and (β-hydroxybutyrate) in muscles, liver, and brain of yearlings and two-year old carps were under study. It was assayed the level of β-hydroxybutyrate activity in the same tissues of yearlings. The synthesis of ketone bodies in carp yearlings as a response to low surrounding seasonal temperature and starvation is an example of compensatory adaptation. In particular, the brain receives, at lacking exogenous nutrition, an additional energy source.


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