| Heart rates in the captive, free-ranging beaver. | |
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MedLine Citation:
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PMID: 2906827 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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1. Heart rates of beaver (Castor canadensis) under free-ranging captive conditions for active behaviors and resting in water (approximately 121 beats/min) were significantly (P less than 0.01) higher than for resting on land (100 beats/min). 2. Although no transient recovery tachycardia was evident in swimming heart rates following diving, average swimming heart rates were higher (127 beats/min) after diving than after other precursor behaviors (123 beats/min). 3. Beaver exhibited bradycardia when sleeping (75 beats/min), diving (61 beats/min), and when threatened on land (57 beats/min). 4. The respiratory sinus arrhythmia indicated a respiratory rate of 15 breaths/min. 5. Cold temperatures (approximately 0 degree C) elicited higher heart rates than did warmer temperatures (approximately 20 degrees C) in active, non-diving behaviors (P less than 0.05). |
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Authors:
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U G Swain; F F Gilbert; J D Robinette |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Comparative biochemistry and physiology. A, Comparative physiology Volume: 91 ISSN: 0300-9629 ISO Abbreviation: Comp Biochem Physiol A Comp Physiol Publication Date: 1988 |
Date Detail:
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Created Date: 1989-05-02 Completed Date: 1989-05-02 Revised Date: 2008-10-30 |
Medline Journal Info:
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Nlm Unique ID: 1276312 Medline TA: Comp Biochem Physiol A Comp Physiol Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 431-5 Citation Subset: IM |
Affiliation:
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Wildlife Biology Program, Washington State University, Pullman 99164-6410. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Behavior, Animal / physiology Heart Rate* Rodentia / physiology* Temperature |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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