| Exercise hyperpnea in birds: evidence against a primary role for pCO2. | |
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MedLine Citation:
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PMID: 2869875 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Ventilatory responses of domestic fowl to graded intensities of treadmill exercise were compared when the birds breathed air, 3% CO2 in air or 4.2% CO2 in air. During exercise in air, increased minute ventilation resulted mainly from increased respiratory rate with little change in tidal volume. This pattern of ventilatory response was not altered when the birds respired CO2. In contrast, the pattern of ventilatory response to CO2, at given work loads, consisted of a primary increase in tidal volume with little change in respiratory rate. It is concluded that intrapulmonary pCO2 does not affect the ventilatory response to exercise. |
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Authors:
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J H Brackenbury; M Gleeson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Comparative biochemistry and physiology. A, Comparative physiology Volume: 83 ISSN: 0300-9629 ISO Abbreviation: Comp Biochem Physiol A Comp Physiol Publication Date: 1986 |
Date Detail:
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Created Date: 1986-04-25 Completed Date: 1986-04-25 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 1276312 Medline TA: Comp Biochem Physiol A Comp Physiol Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 337-9 Citation Subset: IM; S |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Body Temperature Carbon Dioxide Chickens / physiology* Female Partial Pressure Physical Exertion* Respiration* |
| Chemical | |
Reg. No./Substance:
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124-38-9/Carbon Dioxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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