Hibernation and Daily Torpor in Two Pygmy Possums (Cercartetus Spp., Marsupialia)

@article{Geiser1987HibernationAD,
  title={Hibernation and Daily Torpor in Two Pygmy Possums (Cercartetus Spp., Marsupialia)},
  author={F. Geiser},
  journal={Physiological Zoology},
  year={1987},
  volume={60},
  pages={93 - 102}
}
  • F. Geiser
  • Published 1987
  • Biology
  • Physiological Zoology
The physiology of torpor was investigated in the pygmy possums Cercartetus concinnus (18 g) and C. lepidus (12 g). Body temperatures (Tb) during torpor remained within 1 C of air temperature (Ta) and showed a minimum of about 5 C in both species. Oxygen consumption (V̇o2) during torpor was reduced to about 0.05 liters O₂/kg h, which amounts to only 1% of the rate of normothermic animals. Below Ta of 5 C, the metabolism during torpor increased with a further decrease in Ta, while Tb was… Expand
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