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Nestling immune res...
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Pitala, Natalia
(författare)
Nestling immune response to phytohaemagglutinin is not heritable in collared flycatchers
- Artikel/kapitelEngelska2007
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2007-06-13
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The Royal Society,2007
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-13326
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-13326URI
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https://doi.org/10.1098/rsbl.2007.0135DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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The response to intradermally injected phytohaemagglutinin (PHA-response) is a commonly used quantification of avian immunocompetence (the ability to resist pathogens). Parasite-mediated sexual selection requires heritable immunocompetence, but evidence for heritability of PHA-response in birds largely stems from full-sib comparisons. Using an animal model approach, we quantified the narrow-sense heritability of PHA-response in 1626 collared flycatcher (Ficedula albicollis) nestlings from 332 families, most of which were cross-fostered. Nestling PHA-response was not significantly heritable (h2=0.06±0.10), but was subject to non-heritable nest-of-origin effects (10% of variation). Our findings illustrate that full-sib comparisons of immunological measures may lead to an inflated estimate of heritability and also reveal a limited role of nestling PHA-response for sexual selection in this population.
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Gustafsson, LarsUppsala universitet,Zooekologi(Swepub:uu)larsgust
(författare)
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Sendecka, JoannaUppsala universitet,Zooekologi(Swepub:uu)josen677
(författare)
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Brommer, Jon E .
(författare)
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Uppsala universitetZooekologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Biology Letters: The Royal Society3:4, s. 418-4211744-95611744-957X
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