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Glycosylated haemog...
Glycosylated haemoglobin: a new measure of condition in birds
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- Andersson, Måns Sverker (författare)
- Uppsala universitet,Institutionen för ekologi och evolution,Zooekologi,zooekologi
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Gustafsson, Lars (författare)
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(creator_code:org_t)
- 1995
- 1995
- Engelska.
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Ingår i: Proceedings of the Royal Society of London. ; :260, s. 299-303
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Abstract: The influence of condition on time of breeding and reproductive success has been discussed since Darwin first suggested a relation in 1871. We used a novel method to investigate the influence of condition on the timing of breeding and reproductive success by measuring a relatively inert physiological parameter - the amount of glycosylated haemoglobin - in blood samples taken from the collared flycatcher Ficedula albicollis. The percentage of glycosylated haemoglobin (%HbG) was assumed to be proportional to the average blood glucose level, during the 3-5 weeks before the blood sampling. The %HbG was influenced neither by sex nor age. Date of arrival at the breeding ground was negatively correlated with %HbG so that early-arriving birds had significantly higher %HbG than those arriving later. Clutch size, corrected for the effect of laying date, correlated positively with %HbG in females, as did the number of fledged young, corrected for the effect of laying date, for both sexes. We found no correlation between body mass and the %HbG. We suggest that prebreeding condition influences the timing of breeding and subsequent reproductive performance and that %HbG can be used as an indicator of prebreeding-condition in migrating birds.
Ämnesord
- NATURVETENSKAP -- Biologi -- Immunologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Immunology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- Immunology
- Immunologi
- Animal physiology
- Zoofysiologi
- Ethology and behavioural ecology
- Etologi och beteendeekologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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