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Quantitative changes in blood sugar levels ofCrangon vulgaris

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Summary

Blood sugar levels show a circatidal pattern of change inCrangon vulgaris. Significantly higher levels are associated with low tide than with high tide times. The tidal rhythm persists for at least 4 weeks in the laboratory. Manipulation of the photoperiod does not abolish the rhythm but animals maintained in total darkness for 4 weeks had higher values than animals maintained in total light. The importance of the rhythm in the interpretation of routine assessments is discussed.

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Authors and Affiliations

  1. Department of Zoology, University of Hull, Hull, UK

    B. Poolsanguan & R. F. Uglow

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  1. B. Poolsanguan
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  2. R. F. Uglow
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Poolsanguan, B., Uglow, R.F. Quantitative changes in blood sugar levels ofCrangon vulgaris . J. Comp. Physiol. 93, 1–6 (1974). https://doi.org/10.1007/BF00608755

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  • DOI: https://doi.org/10.1007/BF00608755

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