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  A two-second delay confers first-male fertilization precedence within in vitro sperm competition experiments in Atlantic salmon

Yeates, S., Searle, J., Ward, R. G., & Gage, M. J. G. (2007). A two-second delay confers first-male fertilization precedence within in vitro sperm competition experiments in Atlantic salmon. Journal of Fish Biology, 70(1), 318-322. doi:10.1111/j.1095-8649.2006.01294.x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7EC-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7ED-3
Genre: Journal Article

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Yeates et al 2007. salmon timing. JFB..pdf (Publisher version), 87KB
 
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Yeates et al 2007. salmon timing. JFB..pdf
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 Creators:
Yeates, S.1, Author              
Searle, J., Author
Ward, R. G., Author
Gage, M. J. G., Author
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1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: external fertilization; fertilization precedence; Salmo salar; sperm competition
 Abstract: In vitro paired-male sperm competition experiments in Atlantic salmon Salmo salar for a single female's eggs revealed that 2 s delays in sperm release caused significant reductions in paternity, with second males achieving only 30% fertilization success (against an expected 50%). This first-male fertilization precedence supports previous work suggesting that sperm competition follows the principles of a race in Atlantic salmon, and suggests that any timing asymmetry in sperm release within natural competitive spawnings could have significant consequences for male fertilization success.

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Language(s): eng - English
 Dates: 2007-01
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: eDoc: 307731
DOI: 10.1111/j.1095-8649.2006.01294.x
Other: 2530/S 38676
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Title: Journal of Fish Biology
Source Genre: Journal
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Pages: - Volume / Issue: 70 (1) Sequence Number: - Start / End Page: 318 - 322 Identifier: ISSN: 0022-1112