Document Detail

Temporal association between food distribution and human caregiver presence and the development of affinity to humans in lambs.
MedLine Citation:
PMID:  18286582     Owner:  NLM     Status:  MEDLINE    
The presence of the caregiver around feeding favors the development of a human-animal relationship. To understand the underlying mechanism, we tested various temporal associations between food distribution and human presence: from an early age, a person was repeatedly present for 2 min just before milk distribution ("Forward"), during milk distribution ("Simultaneous"), and 20 min afterwards ("Delayed"). The "Control" group received no human contacts. During the treatments, "Forward" and "Delayed" lambs had more physical contacts with the person than "Simultaneous" lambs. When tested in unfamiliar environments, they stood longer near the person than did "Control" or "Simultaneous" lambs, which did not differ. Only "Forward" and "Delayed" lambs bleated when separated from the person. Fasting before testing had no effect. "Forward" and "Delayed" seemed to produce the same human-animal relationship, showing that this did not rely only on a conditioning process associating the caregiver with food. The caregiver may acquire properties for social support through other mechanisms (attachment and/or postingestive effects).
Céline Tallet; Isabelle Veissier; Xavier Boivin
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental psychobiology     Volume:  50     ISSN:  1098-2302     ISO Abbreviation:  Dev Psychobiol     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-26     Completed Date:  2008-04-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0164074     Medline TA:  Dev Psychobiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  147-59     Citation Subset:  IM    
Copyright Information:
(c) 2008 Wiley Periodicals, Inc.
INRA Centre de Recherche de Clermont-Ferrand/Theix, Unité de Recherches sur les Herbivores, Adaptation et Comportements Sociaux, F-63122 Saint-Genès-Champanelle, France.
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MeSH Terms
Animals, Newborn
Appetitive Behavior*
Bonding, Human-Pet*
Conditioning, Classical
Exploratory Behavior
Feeding Behavior*
Object Attachment*
Reinforcement Schedule
Satiety Response
Sheep / psychology*
Social Support

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