Document Detail

Vocal and locomotor responses of piglets to social isolation and reunion.
MedLine Citation:
PMID:  19774554     Owner:  NLM     Status:  MEDLINE    
Potentiation of infant isolation calls following a brief reunion with the mother is considered an index of filial bonding in altricial rodents. We investigated potentiation of isolation and reunion responses in 15-day-old unweaned domestic piglets (Sus scrofa domesticus). When piglets were re-isolated following a brief, comforting reunion with their mother and littermates in their home pen, they displayed a persistence (relative potentiation) of calling and jumping. In contrast, when re-isolated following a brief interaction with their mother or an unfamiliar sow in a familiar or unfamiliar location, or with littermates alone, calling rate and locomotion dropped. Subsequently, piglets spent more time near their mother's face if they had previously interacted with an unfamiliar sow rather than their mother, consistent with maternal recognition. Although we did not detect maternal potentiation as described in altricial rodents, filial attachment bonding was clearly evident in piglet responses, especially during reunions.
Valentina Colonnello; Paolo Iacobucci; Ruth C Newberry
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental psychobiology     Volume:  52     ISSN:  1098-2302     ISO Abbreviation:  Dev Psychobiol     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2009-12-28     Completed Date:  2010-03-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0164074     Medline TA:  Dev Psychobiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1-12     Citation Subset:  IM    
Department of Animal Sciences and Department of Veterinary and Comparative Anatomy Pharmacology and Physiology Center for the Study of Animal Well-being Washington State University Pullman, WA 99164-6351, USA.
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MeSH Terms
Animals, Newborn / psychology*
Maternal Deprivation*
Motor Activity*
Object Attachment*
Recognition (Psychology)
Social Environment
Social Isolation / psychology*
Swine / psychology*
Vocalization, Animal*

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