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- aggregation classification "A1".
- aggregation creator B434414.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2010".
- aggregation format "application/pdf".
- aggregation hasFormat 1026158.bibtex.
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- aggregation hasFormat 1026158.dc.
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- aggregation hasFormat 1026158.doc.
- aggregation hasFormat 1026158.json.
- aggregation hasFormat 1026158.mets.
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- aggregation hasFormat 1026158.yaml.
- aggregation isPartOf urn:issn:0022-0949.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Biology and Life Sciences".
- aggregation title "Variation in innate immunity in relation to ectoparasite load, age and season: a field experiment in great tits (Parus major)".
- aggregation abstract "It remains largely unknown which factors affect the innate immune responses of free-living birds. Nevertheless, the degree of innate immunity may play a crucial role in an individual's survival as it procures the first defence against pathogens. We manipulated the ectoparasite load of great tit (Parus major) nests by infesting them with hen fleas (Ceratophyllus gallinae) before egg laying. We subsequently quantified natural antibody (NAb) concentration and complement activation in nestlings and adult females during breeding and post-breeding periods. NAb concentrations increased in nestlings and adult females breeding in flea-infested nest boxes during the nestling provisioning period, but not in breeding females during incubation. In contrast, parasite abundance did not affect levels of complement activity in females. NAb levels of nestlings were already fully developed at the end of the nestling stage, but complement activation was only observed post-fledging. Concentrations of NAbs and complement activation of adult females were significantly lower during the breeding season compared with post-breeding levels, but did not differ between incubation and chick rearing. Further experimental studies in species that vary in life-history strategies will allow us to unravel the mechanisms underlying the observed variation in innate immune defences.".
- aggregation authorList BK756816.
- aggregation endPage "3018".
- aggregation issue "17".
- aggregation startPage "3012".
- aggregation volume "213".
- aggregation aggregates 1026190.
- aggregation aggregates 1245865.
- aggregation isDescribedBy 1026158.
- aggregation similarTo jeb.042721.
- aggregation similarTo LU-1026158.