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  Sperm velocity in an Alpine whitefish: effects of age, size, condition, fluctuating asymmetry and gonad abnormalities

Urbach, D., Bittner, D., Lenz, T. L., Bernet, D., Wahli, T., & Wedekind, C. (2007). Sperm velocity in an Alpine whitefish: effects of age, size, condition, fluctuating asymmetry and gonad abnormalities. Journal of Fish Biology, 71(3), 672-683. doi:10.1111/j.1095-8649.2007.01537.x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D767-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D768-F
Genre: Journal Article

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urbach_2007.pdf (Publisher version), 263KB
 
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 Creators:
Urbach, D., Author
Bittner, D., Author
Lenz, T. L.1, Author              
Bernet, D., Author
Wahli, T., Author
Wedekind, C., Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: age; condition; gonad alteration; size; sperm velocity; whitefish
 Abstract: The relationship between sperm velocity and individual age, size, body condition and fluctuating asymmetry was investigated in Alpine whitefish Coregonus fatioi. The fish analysed belonged to one among several sympatric whitefish populations of Lake Thun, Switzerland, which are characterized by a high prevalence of gonad alterations. Therefore, sperm velocity data were also tested for a link between gonad deformation and sperm swimming speed. Sperm velocity was significantly lower in larger-grown individuals and in individuals of higher body condition. As expected, sperm velocity was higher in males with higher levels of fluctuating asymmetry, but it did not significantly vary with male age. Moreover, variation in sperm velocity was found to be significantly higher in individuals showing some types of gonad alterations but it did not significantly correlate with the presence of other types of alterations. (C) 2007 The Authors Journal compilation (C) 2007 The Fisheries Society of the British Isles.

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Language(s): eng - English
 Dates: 2007-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 331364
DOI: 10.1111/j.1095-8649.2007.01537.x
Other: 2588/S 38747
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Title: Journal of Fish Biology
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 71 (3) Sequence Number: - Start / End Page: 672 - 683 Identifier: ISSN: 0022-1112