| Reproductive performance in female common hamsters. | |
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MedLine Citation:
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PMID: 18023565 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We monitored individual reproductive timing and output in a common hamster population in Vienna over a 3-year period. Animals were live-trapped, weighed, individually marked, and reproductive status was determined at capture. Costs of reproduction were investigated by measuring body condition shortly before hibernation and overwinter survival. Our results indicated that early emerging females had more litters and weaned more offspring per season. Body mass throughout the active season did not differ significantly between females with high and low reproductive output. High reproductive output seemed to affect the duration of the active season. Successful females had a longer postreproduction period before hibernation than less successful ones, probably serving to balance the costs of reproductive effort by extended preparation for hibernation. Also, females that had emerged early in spring and had high reproductive success were more likely to survive the subsequent winter. Hence, we found female common hamsters to vary strongly in maternal investment capacity and to tailor reproductive strategies accordingly. |
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Authors:
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Claudia Franceschini-Zink; Eva Millesi |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2007-11-26 |
Journal Detail:
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Title: Zoology (Jena, Germany) Volume: 111 ISSN: 0944-2006 ISO Abbreviation: Zoology (Jena) Publication Date: 2008 |
Date Detail:
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Created Date: 2007-12-24 Completed Date: 2008-11-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9435608 Medline TA: Zoology (Jena) Country: Germany |
Other Details:
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Languages: eng Pagination: 76-83 Citation Subset: IM |
Affiliation:
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Department of Behavioural Biology, University of Vienna, Althanstr. 14, A-1090 Vienna, Austria. claudia.franceschini@chello.at <claudia.franceschini@chello.at> |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Austria Body Constitution Body Size Cricetinae / physiology* Female Gravidity / physiology Hibernation / physiology Pregnancy Reproduction / physiology* Seasons Survival Analysis Time Factors Weaning |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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