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                        <title>Theoretical influence of female mating status and remating propensity on male sperm allocation patterns</title>
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                    <name type="personal">
                        <namePart type="given">Leif</namePart>
                        <namePart type="family">Engqvist</namePart>
                        <nameIdentifier type="orcid" typeURI="http://orcid.org">0000-0002-9434-7130</nameIdentifier>
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                    <name type="personal">
                        <namePart type="given">Klaus</namePart>
                        <namePart type="family">Reinhold</namePart>
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                        <dateIssued encoding="w3cdtf">2006</dateIssued>
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                    <abstract lang="eng">Theoretical models predict that males should allocate more sperm in matings where the immediate risk of sperm competition is high. It has therefore often been argued that males should invest less sperm in matings with virgin females compared with matings with already mated females. However, with relatively polyandrous females, high sperm competition risk will covary with high sperm competition intensity leading to more unpredictable conditions, as high competition intensity should favour smaller ejaculates. With the use of a genetic algorithm, we found that males should allocate more sperm in matings with virgin females when female mating frequency is relatively high, whereas low remating rates will select for higher effort in matings with nonvirgin females. At higher remating rates, first male sperm precedence favours larger ejaculates in matings with virgin females and second male precedence favours the reverse. These results shed some light on several findings that have been difficult to explain adaptively by the hitherto developed theory on sperm allocation.</abstract>
                    <subject>
                        <topic>genetic algorithm</topic>
                        <topic>ejaculate size</topic>
                        <topic>sperm precedence</topic>
                        <topic>evolutionary stable strategy</topic>
                        <topic>allocation</topic>
                        <topic>sperm competition</topic>
                        <topic>female</topic>
                        <topic>strategic sperm</topic>
                        <topic>mating frequency</topic>
                    </subject>
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                            <title>JOURNAL OF EVOLUTIONARY BIOLOGY</title>
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                        <part>
                            <detail type="volume">
                                <number>19</number>
                            </detail>
                            <detail type="issue">
                                <number>5</number>
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                            <extent unit="page">
                                <start>1448</start>
                                <end>1458</end>
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                    <identifier type="issn">1010-061X</identifier>
                    <identifier type="eIssn">1420-9101</identifier>
                    <identifier type="MEDLINE">16910976</identifier>
                    <identifier type="ISI">000239692000019</identifier>
                    <identifier type="urn">urn:nbn:de:0070-pub-15982876</identifier>
                    <identifier type="doi">10.1111/j.1420-9101.2006.01134.x</identifier>
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