Document Detail

Periodicity of death feigning by domestic fowl in response to simulated predation.
MedLine Citation:
PMID:  14677578     Owner:  NLM     Status:  MEDLINE    
The presence and extent of periodicity in the manifestation of death feigning duration was assessed in 137 week-old White Leghorn chicks. Chicks were reared on an LD 12:12 regimen with light onset at 0800 hr. Each was tested only once at one of 13 clock hours spanning a 24 hr period. Death feigning duration varied significantly with clock hour of induction, being longest from 1300-1400 hr and briefest from 0600-1100 hr. Variability was also cyclic but was distributed bimodally, being greatest in the latter half of each L and D phase. There was no significant influence of management hour on death feigning duration. The adaptive significance of the periodicity for predator-prey interactions was discussed, as were methodological implications.
C K Rovee; L W Kaufman; G H Collier; G C Kent
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Physiology & behavior     Volume:  17     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1976 Dec 
Date Detail:
Created Date:  2003-12-17     Completed Date:  2004-01-20     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  891-5     Citation Subset:  IM    
Department of Psychology, Rutgers - The State University of New Jersey New Brunswick, NJ 08903, USA.
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MeSH Terms
Chickens / physiology*
Circadian Rhythm / physiology*
Escape Reaction / physiology*
Fear / physiology*
Immobilization / physiology*
Grant Support

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