Hibernation in the Eversman hamster (Allocricetulus eversmanni Brandt, 1859) from the Saratov Trans-Volga region

The hibernation of the Eversman hamster is proven for the first time. The body temperature measured with a thermoaccumulator implanted into the abdominal cavity dropped down to +5°C several times during the winter. This species differs from other hibernating mammals in the peculiarities of its seaso...

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Bibliographic Details
Published in:Biology bulletin of the Russian Academy of Sciences 2012-12, Vol.39 (10), p.846-851
Main Authors: Ushakova, M. V, Feoktistova, N. Yu, Petrovskii, D. V, Gureeva, A. V, Naidenko, S. V, Surov, A. V
Format: Article
Language:English
Subjects:
abdominal cavity
Biochemistry
Biomedical and Life Sciences
body temperature
Cell Biology
cortisol
Ecology
estradiol
hamsters
hibernation
Life Sciences
progesterone
seasonal variation
steroid hormones
testosterone
winter
Zoology
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Summary:The hibernation of the Eversman hamster is proven for the first time. The body temperature measured with a thermoaccumulator implanted into the abdominal cavity dropped down to +5°C several times during the winter. This species differs from other hibernating mammals in the peculiarities of its seasonal fluctuation of steroid hormones (cortisol, progesterone, estradiol, and testosterone) and in the absence of fat deposits before hibernation.
ISSN:1062-3590
1608-3059
DOI:10.1134/S1062359012100111