| Titre : | Ornis Fennica 76(4) - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Article
E. Schleucher, Auteur
The small Australian Diamond Dove Geopelia cuneata (38 g) and African Namaqua Dove Oena capensis (36 g) live in desert and semi-desert habitats. They can be regarded as ecological counterparts on the two continents. They are both diurnal and act[...]
Article
C. Duchamp, Auteur ;
F. Marmonier, Auteur ;
F. Denjean, Auteur ;
J. Lachuer, Auteur ;
T. P. D. Eldershaw, Auteur ;
J. L. Rouanet, Auteur ;
A. Morales, Auteur ;
R. Meister, Auteur ;
C. Benistant, Auteur ;
D. Roussel, Auteur ;
H. Barre, Auteur
Regulatory, cellular and molecular aspects of muscle avian nonshivering thermogenesis are reviewed. The endocrine control of muscle NST may involve an interaction between several hormones including glucagon, catecholamines and thyroid hormones. [...]
Article
E. V. Sedunova, Auteur
Heat thermosensitivity of 13 brain areas and of the thoracic and lumbar parts of the spinal cord was studied in freely-moving Greenfinches at different ambient temperatures. Of the brain areas studied, clear vasomotor responses were observed onl[...]
Article
R. Schaub, Auteur ;
R. Prinzinger, Auteur ;
E. Schleucher, Auteur
Mousebirds (Coliiformes) respond to cold exposure and food limitation with nightly bouts of torpor. During torpor, metabolic rate and body temperature decrease markedly, which results in energy savings. The decrease in body temperature is a regu[...]
Article
B. Tzschentke, Auteur ;
M. Nichelmann, Auteur
The development of colonic temperature and of heat production in 1- to l0-d-old chicken, turkeys and Muscovy ducklings was investigated after short-term (Ih) exposure in climatic chambers to ambient temperatures between 10 and 40 degrees C. In a[...]
Article
M. Nichelmann, Auteur ;
B. Tzschentke, Auteur
Oxygen consumption was measured and heat production (HP) calculated in Muscovy Duck (Cairina moschata) and Domestic Fowl (Gallus gallus f. domestica) embryos at different ambient temperatures (Ta) using a closed (Scholander-method) or a half-ope[...]
Article
F. Denjean, Auteur ;
J. Lachuer, Auteur ;
F. Cohen-adad, Auteur ;
H. Barre, Auteur ;
C. Duchamp, Auteur
Despite their lack of brown adipose tissue (BAT), birds can exhibit nonshivering thermogenesis (NST) in the cold. Avian NST mainly originates from skeletal muscle and may involve fatty acid-induced uncoupling of mitochondrial respiration. In mam[...]



