Characterization of circadian function in Djungarian hamsters insensitive to short day photoperiod

  title={Characterization of circadian function in Djungarian hamsters insensitive to short day photoperiod},
  author={Wolfgang Puchalski and G. Robert Lynch},
  journal={Journal of Comparative Physiology A},
Djungarian hamsters (Phodopus sungorus sungorus) depend mainly on day length to cue seasonal adjustments. However, not all individuals respond to short day conditions. A previous study from this laboratory proposed that nonresponsiveness to short day conditions rests with a defect in the circadian organization of these hamsters. In this study we found pronounced differences between responsive and nonresponsive hamsters in the expression of circadian rhythmicity under constant darkness and under… CONTINUE READING
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Testicular function and pelage color have different critical photoperiods in the Djungarian hamster, Phodopus sungorus

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