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Controlled expression of avian pre-migratory fattening influences indices of innate immunity

cris.virtual.author-orcid0000-0002-4989-1524
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dc.abstract.enWhile immunity is frequently dampened when birds engage in strenuous migratory flights, whether and how immunity changes during the rapid accumulation of energy stores in preparation for migration remains largely unknown. Here we induced pre-migratory fattening through controlled changes of daylight in common quails (Coturnix coturnix) and regularly assessed changes in three markers of constitutive innate immunity (leukocyte coping capacity or LCC, hemagglutination and hemolysis titres) and measures of body composition (lean and fat mass). All the three markers showed similar changes over the pre-migratory fattening process. LCC responses, hemagglutination titres, and hemolysis titres, were on average higher in the mid-fattening phase compared to the peak-fattening phase, when values were similar to those observed prior the start of pre-migratory fattening. At mid-fattening, we found that the birds that showed a larger accumulation of fat mass (as % of body mass) had lower LCC peak responses and hemolysis titres. Reversibly, at mid-fattening, we also found that the birds that kept a higher proportion of lean mass (as % of body mass) had the highest LCC peaks. Our results indicate that migratory birds undergo changes in immune indices (over 8 weeks) as they accumulate energy stores for migration and propose that this could be due to competing or trade-off processes between metabolic remodelling and innate immune system function.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Zoologii
dc.contributor.authorTobółka, Marcin
dc.contributor.authorZielińska, Zuzanna
dc.contributor.authorFusani, Leonida
dc.contributor.authorHuber, Nikolaus
dc.contributor.authorMaggini, Ivan
dc.contributor.authorPola, Gianni
dc.contributor.authorMarasco, Valeria
dc.date.access2024-09-10
dc.date.accessioned2024-09-10T07:22:32Z
dc.date.available2024-09-10T07:22:32Z
dc.date.copyright2024-01-22
dc.date.issued2024
dc.description.abstract<jats:title>ABSTRACT</jats:title> <jats:p>While immunity is frequently dampened when birds engage in strenuous migratory flights, whether and how immunity changes during the rapid accumulation of energy stores in preparation for migration remains largely unknown. Here we induced pre-migratory fattening through controlled changes of daylight in common quails (Coturnix coturnix) and regularly assessed changes in three markers of constitutive innate immunity (leukocyte coping capacity or LCC, hemagglutination and hemolysis titres) and measures of body composition (lean and fat mass). All the three markers showed similar changes over the pre-migratory fattening process. LCC responses, hemagglutination titres, and hemolysis titres, were on average higher in the mid-fattening phase compared to the peak-fattening phase, when values were similar to those observed prior the start of pre-migratory fattening. At mid-fattening, we found that the birds that showed a larger accumulation of fat mass (as % of body mass) had lower LCC peak responses and hemolysis titres. Reversibly, at mid-fattening, we also found that the birds that kept a higher proportion of lean mass (as % of body mass) had the highest LCC peaks. Our results indicate that migratory birds undergo changes in immune indices (over 8 weeks) as they accumulate energy stores for migration and propose that this could be due to competing or trade-off processes between metabolic remodelling and innate immune system function.</jats:p>
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0.00
dc.description.if1,8
dc.description.number1
dc.description.points70
dc.description.versionfinal_published
dc.description.volume13
dc.identifier.doi10.1242/bio.060018
dc.identifier.issn2046-6390
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/1727
dc.identifier.weblinkhttps://journals.biologists.com/bio/article/13/1/bio060018/342472/Controlled-expression-of-avian-pre-migratory
dc.languageen
dc.relation.ispartofBiology Open
dc.relation.pagesart. bio060018
dc.rightsCC-BY
dc.sciencecloudsend
dc.subject.enLeukocyte coping capacity
dc.subject.enHemagglutination
dc.subject.enHemolysis
dc.subject.enInnate immunity
dc.subject.enMigratory fattening
dc.subject.enAvian migration
dc.titleControlled expression of avian pre-migratory fattening influences indices of innate immunity
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume13