Basal metabolic rate, food intake, and body mass in cold- and warm-acclimated Garden Warblers

Klaassen, Marcel, Oltrogge, Martina and Trost, Lisa 2004, Basal metabolic rate, food intake, and body mass in cold- and warm-acclimated Garden Warblers, Comparative biochemistry and physiology : Part A, vol. 137, no. 4, pp. 639-647, doi: 10.1016/j.cbpb.2003.12.004.

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Title Basal metabolic rate, food intake, and body mass in cold- and warm-acclimated Garden Warblers
Author(s) Klaassen, MarcelORCID iD for Klaassen, Marcel
Oltrogge, Martina
Trost, Lisa
Journal name Comparative biochemistry and physiology : Part A
Volume number 137
Issue number 4
Start page 639
End page 647
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2004-04
ISSN 1095-6433
Keyword(s) Basal metabolic rate
Body mass
Food intake
Garden Warbler
Physiological flexibility
Temperature acclimation
Science & Technology
Life Sciences & Biomedicine
Biochemistry & Molecular Biology
Summary We address the question of whether physiological flexibility in relation to climate is a general feature of the metabolic properties of birds. We tested this hypothesis in hand-raised Garden Warblers (Sylvia borin), long-distance migrants, which normally do not experience great temperature differences between summer and winter. We maintained two groups of birds under cold and warm conditions for 5 months, during which their body mass and food intake were monitored. When relatedness (siblings vs. non-siblings) of the experimental birds was taken into account, body mass in cold-acclimated birds was higher than in warm-acclimated birds. BMR, measured at the end of the 5-month temperature treatment, was also higher in the cold- than the warm-acclimated group. Migrant birds thus seem to be capable of the same metabolic cold-acclimation response as has been reported in resident birds. The data support the hypothesis that physiological flexibility is a basic trait of the metabolic properties of birds.
Language eng
DOI 10.1016/j.cbpb.2003.12.004
Field of Research 060603 Animal Physiology - Systems
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2004, Elsevier
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