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  • 1
    Electronic Resource
    Electronic Resource
    Fertilization dynamics in sockeye salmon and a comparison of sperm from alternative male phenotypes (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 58 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Sockeye salmon Oncorhynchus nerka sperm maintained high fertility for 10 s after being exposed to water but fertility dropped sharply after that. Eggs also showed limited longevity after being immersed in water, with a large drop in fertility occurring after 20 s of exposure to water. The association between eggs and sperm occurs very rapidly. 80% fertilization success was achieved with 5 s of sperm-egg mixing and c. 25% was achieved with 〈0·5 s of sperm-egg mixing. Sperm from different male age classes differed little in motility and did not differ at all in their propensity to fertilize eggs. The results have important implications for mate choice and sperm competition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb02286.x
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