Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/13076
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dc.contributor.authorNorte, Ana Cláudia-
dc.contributor.authorSheldon, Ben-
dc.contributor.authorSousa, José Paulo-
dc.contributor.authorRamos, Jaime Albino-
dc.date.accessioned2010-04-29T08:36:35Z-
dc.date.available2010-04-29T08:36:35Z-
dc.date.issued2008-
dc.identifier.citationActa Ornithologica. 43:1 (2008) 65-75en_US
dc.identifier.issn0001-6454-
dc.identifier.urihttp://hdl.handle.net/10316/13076-
dc.description.abstractWhen interpreting responses to experimental manipulations or particular environmental cues, it is necessary to have previous knowledge about the natural variation of the response traits. We studied how nine blood parameters, including four enzymatic activities, varied with time in wild Great Tits by assessing their repeatabilities over periods of 45 days, in the same season (Spring or Autumn/Winter), in the same year and over a four years period. The accuracy of the measurements of these blood parameters was also assessed. Measurement error reflected essentially sample and time of storage rather than assay effects. Hematocrit and haemoglobin had low repeatabilities within Spring, ranging from 0.26 to 0.31; Heterophil/Lymphocyte ratio (H/L), white blood cell count (WBC), total plasma cholinesterase and red blood cell glutathione peroxidase (GSH-Px) activities had moderate to high repeatabilities over periods of 45 days (repeatabilities ranged from 0.47 to 0.81 for GSH-Px and H/L, respectively), but also during longer periods such as dur- ing Spring (total plasma cholinesterase activity) and Autumn/Winter (WBC, H/L and GSH-Px). Of the blood parameters measured, total plasma cholinesterase, glutathione peroxidase and the haematological parameters WBC and H/L seem relatively constant and therefore reliable indicators of Great Tit's physiological condition within, at least, a 45 days time frameen_US
dc.language.isoengen_US
dc.publisherPolish Academy of Sciences. Museum and Insitute of Zoologyen_US
dc.rightsopenAccessen_US
dc.subjectRepeatabilityen_US
dc.subjectHealth stateen_US
dc.subjectConditionen_US
dc.subjectBlood profileen_US
dc.subjectParus majoren_US
dc.subjectAccuracyen_US
dc.subjectGlutathione peroxidaseen_US
dc.subjectPlasma cholinesteraseen_US
dc.titleRepeatability and method-dependent variation of blood parameters in wild-caught Great Tits Parus majoren_US
dc.typearticleen_US
degois.publication.firstPage65en_US
degois.publication.lastPage75en_US
degois.publication.issue43:1en_US
degois.publication.titleActa Ornithologicaen_US
dc.identifier.doi10.3161/000164508x345347-
uc.controloAutoridadeSim-
item.fulltextCom Texto completo-
item.languageiso639-1en-
item.grantfulltextopen-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.researchunitCFE - Centre for Functional Ecology - Science for People & the Planet-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.orcid0000-0001-7833-4463-
crisitem.author.orcid0000-0001-8045-4296-
crisitem.author.orcid0000-0002-9533-987X-
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais
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