## Abstract We investigated the influence of ambient temperature (T~a~) and food availability on seasonal timing and extent of physiological responses to short photoperiod (SP), in particular daily torpor, in Djungarian hamsters (__Phodopus sungorus__). Exposure of hamsters to cold temperature (T~a
Metabolic and thermoregulatory responses to heat and cold in the Djungarian hamster,Phodopus sungorus
β Scribed by Heldmaier, Gerhard
- Publisher
- Springer-Verlag
- Year
- 1975
- Tongue
- English
- Weight
- 484 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0174-1578
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π SIMILAR VOLUMES
## Abstract After transfer into a short daylight regimen, the brownish summer pelage of the Djungarian hamster (__Phodopus sungorus__) changes into the whitish winter phenotype. Although changes in serum prolactin levels are identified as the initiating hormonal signal, morphological data about mol
1. The daily torpor was measured by oxygen uptake in Djungarian hamsters during adaptation to a short photoperiod (SP: 10L, 14D) at 20 degrees C. In these constant conditions the torpor presented metabolic characteristics and a daily time course independent of the duration of adaptations to SP. 2. T