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Body temperature as an indicator of egg-laying in the echidna, Tachyglossus aculeatus

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Nicol, SC and Andersen, NA (2006) Body temperature as an indicator of egg-laying in the echidna, Tachyglossus aculeatus. Journal of Thermal Biology, 31 (6). pp. 483-490. ISSN 0306-4565

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Abstract

We investigated the usefulness of body temperature (Tb) as a guide to egg-laying in a monotreme mammal, the echidna, Tachyglossus aculeatus, and attempted to quantify changes in Tb and relate them to specific reproductive events. Six female echidnas were implanted with temperature loggers and then radio-tracked in the wild for up to six years. In reproductive years there was a significant reduction in Tb variability 21.7 plus or minus 2.5 days after final arousal from hibernation, which coincided with the time at which the female entered the nursery burrow. Egg-laying occurred within two days of this Tb change which lasted an average of 43 plus or minus 4 days.

Item Type: Article
Keywords: ; echidna, body temperature; egg-laying; gestation; burrow
Journal or Publication Title: Journal of Thermal Biology
Page Range: pp. 483-490
ISSN: 0306-4565
Identification Number - DOI: 10.1016/j.jtherbio.2006.05.001
Date Deposited: 16 Feb 2007
Last Modified: 18 Nov 2014 03:13
URI: http://eprints.utas.edu.au/id/eprint/751
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