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  • Title: Ambient temperature dependence of the body temperature and of the duration of the hibernation periods in the garden dormouse, Eliomys quercinus L.
    Author: Pajunen I.
    Journal: Cryobiology; 1983 Dec; 20(6):690-7. PubMed ID: 6661917.
    Abstract:
    Hibernation pattern in the garden dormouse (Eliomys quercinus) was studied at TA's of 0, 4, 6.5, and 9 degrees C during 6 months in each study winter. The animals were kept in darkness without food or water. Body temperature and the mean duration of the hibernation periods were ambient temperature dependent. The comparison of hibernation at different TA's was based on three features: the mean duration of the hibernation periods during the midwinter plateau, the existence of the initial and terminal phases with the changing length of the hibernation periods, and the differences between the sexes. The TA of 4 degrees C was the optimal TA for long-term hibernation. The difference between 4 degrees C and other TA's was greater in males. The TA's of 0 and 9 degrees C were near the lower and higher TA limits for long-term hibernation. Signs of the existence of a circannual rhythm were detected in the males toward the end of the hibernation season.
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