Changes in the hepatosomatic index of semianadromous burbot, Lota lota L. (Lotidae), in the Ob River depending on fish physiological state and foraging conditions

The results of long-term observations on changes in the hepatosomatic index of burbot in the Lower Ob basin are presented. The dynamics of this index are considered as dependent on fish sex, stage of gonad maturity, period of reproductive cycle, body damage or abnormalities, and feeding intensity.

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Bibliographic Details
Published in:Russian journal of ecology 2013-05, Vol.44 (3), p.233-238
Main Authors: Koporikov, A. R, Bogdanov, V. D
Format: Article
Language:English
Subjects:
Animal populations
Animal reproduction
Biomedical and Life Sciences
Ecology
Environment
Fish
Foraging behavior
Freshwater
Habitats
hepatosomatic index
Life Sciences
Lota lota
Lotidae
physiological state
Physiology
Reproductive cycle
rivers
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Description
Summary:The results of long-term observations on changes in the hepatosomatic index of burbot in the Lower Ob basin are presented. The dynamics of this index are considered as dependent on fish sex, stage of gonad maturity, period of reproductive cycle, body damage or abnormalities, and feeding intensity.
ISSN:1067-4136
1608-3334
DOI:10.1134/S1067413613030077