| Wing-flapping develops in chickens made flightless by feather mutations. | |
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MedLine Citation:
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PMID: 7274586 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Two lines of mutant, domestic chickens (scaleless and delayed feathering), flightless because they lack flight feathers, were used to evaluate the influence of flight-related experience and adaptation on the development of wing-flapping. Most testing was at 13 days because normally feathered control chicks of this age flap at adult rates and can fly. By 13 days, the wing-flapping rates of the flightless, mutant chicks and the normally feathered and flight-competent control chicks were similar. Therefore, normal adult rates of wing-flapping developed in the absence of flight-related behavioral consequences. Drop-evoked wing-flapping was probably initiated by vestibular mechanisms: feather-related mechanoreceptor and visual cues were not necessary because flapping was initiated by naked, scaleless chicks which were deprived of visual input by masking their eyes or by testing in a darkened room. The possible role of feather mutations in the evolution of avian flightlessness is also considered. |
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Authors:
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R R Provine |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Developmental psychobiology Volume: 14 ISSN: 0012-1630 ISO Abbreviation: Dev Psychobiol Publication Date: 1981 Sep |
Date Detail:
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Created Date: 1981-11-22 Completed Date: 1981-11-22 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0164074 Medline TA: Dev Psychobiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 481-6 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adaptation, Physiological Age Factors Animals Chickens / physiology* Cues Darkness Feathers / abnormalities* Flight, Animal Mutation Wing / physiology* |
| Grant Support | |
ID/Acronym/Agency:
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HD 11973/HD/NICHD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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