Prehatch entrainment of circadian rhythm
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Wendy L. Hill; Kimberly L. Bassi; Leean Bonaventura; Jacqueline E. Sacus
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Article
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2004
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John Wiley and Sons
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English
β 145 KB
## Abstract The onset of circadian rhythms in many animals occurs during prenatal development. We conducted four experiments, using the domestic chick as a model, to assess when these rhythms can first be entrained and the type of light zeitgeber necessary. In Experiment 1, the presence of circadia