Document Detail

Castration does not inhibit aggressive behavior in adult male prairie voles (Microtus ochrogaster).
MedLine Citation:
PMID:  10222474     Owner:  NLM     Status:  MEDLINE    
The relationship between castration and reduced male aggression is well established. However, anecdotal observations of male prairie voles (Microtus ochrogaster) suggest that castration does not reduce aggressive behavior. To investigate the role of testicular androgens on aggressive behavior, castrated or gonadally intact male prairie voles were paired in a neutral arena with a gonadally intact vole. Castration did not reduce the frequency of intermale aggression. In Experiment 2, aggressive behavior was examined further using resident-intruder, grouped aggression, and aggression against a lactating female models. Again, castration did not affect the frequency of aggression in male prairie voles. Taken together, the results of this study suggest that aggressive behavior may be independent of gonadal steroid hormones in adult male prairie voles.
G E Demas; C A Moffatt; D L Drazen; R J Nelson
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Physiology & behavior     Volume:  66     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1999 Mar 
Date Detail:
Created Date:  1999-07-02     Completed Date:  1999-07-02     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  59-62     Citation Subset:  IM    
Department of Psychology, Johns Hopkins University, Baltimore, MD 21218-2686, USA.
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MeSH Terms
Aggression / physiology*
Anxiety / psychology
Arvicolinae / physiology*
Motor Activity / physiology
Social Environment
Grant Support

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