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Article

Photoperiodic time measurement in Djungarian hamsters evaluated from T-cycle studies.

The American journal of physiology - 1 Jul 1994

Puchalski W, Lynch G R

Abstract excerpt

We investigated the photoperiodic response to T-cycles (0.5 h of light at intervals ranging from 23.0 h to 25.3 h) of two phenotypes of Djungarian hamsters that either exhibit or lack physiological short-day adjustments under a photoperiod of 9 h light:15 h darkness. Illumination of the same circadian time caused a similar photoperiodic response in both phenotypes. Thus hamsters found to be insensitive under a...

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PMID: 8048624
DOI: 10.1152/ajpregu.1994.267.1.R191

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