Document Detail

Selectivity in paternal and infanticidal responses by male mice: effects of relatedness, location, and previous sexual partners.
MedLine Citation:
PMID:  1759937     Owner:  NLM     Status:  MEDLINE    
Male mice tend to be infanticidal to unrelated infants but parental to their own offspring. The present study examines three hypotheses that might explain this apparent discrimination. There was no evidence of selective infanticide toward infants encountered for the first time on the basis of kinship, location, or cues associated with previous sexual partners. However, males tended to direct more paternal responses toward their own unfamiliar infants than toward unrelated infants, infants encountered in the male's home cage than those in the cage of another male, and when cues associated with a previous sexual partner were present. Data suggested that the responses of females to male intruders might influence the responses of those males. It was concluded that the infanticidal responses of male mice are mediated by a particular state of the male but that males in a noninfanticidal state may vary their paternal responsiveness on the basis of direct and indirect cues concerning relatedness.
R W Elwood; H F Kennedy
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Behavioral and neural biology     Volume:  56     ISSN:  0163-1047     ISO Abbreviation:  Behav. Neural Biol.     Publication Date:  1991 Sep 
Date Detail:
Created Date:  1992-02-04     Completed Date:  1992-02-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7905471     Medline TA:  Behav Neural Biol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  129-47     Citation Subset:  IM    
Division of Environmental and Evolutionary Biology, School of Biology and Biochemistry, Queen's University of Belfast, Northern Ireland.
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MeSH Terms
Behavior, Animal*
Infant, Newborn
Mice, Inbred Strains
Paternal Behavior*
Sex Factors
Sexual Behavior, Animal

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