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Blood hemoglobin content and metabolic performance of Arctic Tern chicks Sterna paradisaea

journal contribution
posted on 2023-10-26, 03:19 authored by C Bech, Marcel KlaassenMarcel Klaassen
This study was designed to determine whether the development of an increased aerobic capacity (increased potential for oxygen uptake) during the initial growth stages of hatchlings is associated with an increase in blood hemoglobin content. We measured the resting (at thermoneutrality) and maximum (cold induced)b oxygen uptake of Arctic Tern chicks from 0 to 9 days of age. In addition, blood hemoglobin content and hematocrit were measured. The results show that in spite of a marked increase in both resting and maximum oxygen uptake, indicating increased metabolic performance, there was a slight decrease in blood hemoglobin content during the first few days of development. A residual analysis, made to eliminate the effect of age, showed that blood hemoglobin content of individual chicks, blood hemoglobin contents is not a limiting factor for oxygen uptake by Arctic Tern chicks.

History

Journal

Journal of avian biology

Volume

27

Pagination

112-117

Location

London, Eng.

ISSN

0908-8857

Language

eng

Publication classification

C Journal article, C1.1 Refereed article in a scholarly journal

Copyright notice

1996, Wiley

Issue

2

Publisher

Wiley

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