Document Detail


Taste aversion learning in horses.
MedLine Citation:
PMID:  2401656     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The ability of ponies to learn to avoid a relatively novel food associated with illness was tested in three situations: when illness occurred immediately after consuming a feed; when illness occurred 30 min after consuming a feed; and when illness was contingent upon eating one of three feeds offered simultaneously. Apomorphine was used to produce illness. The feeds associated with illness were corn, alfalfa pellets, sweet feed and a complete pelleted feed. The ponies learned to avoid all the fees except the complete feed when apomorphine injection immediately followed consumption of the feed. However, the ponies did not learn to avoid a feed if apomorphine was delayed 30 min after feed consumption. They could learn to avoid alfalfa pellets, but not corn, when these feeds were presented with the familiar "safe foods," oats and soybean meal. Ponies apparently are able to learn a taste aversion, but there were constraints on this learning ability. Under the conditions of this study, they did not learn to avoid a food that made them sick long after consumption of the food, and they had more difficulty learning to avoid highly palatable feeds.
Authors:
K A Houpt; D M Zahorik; J A Swartzman-Andert
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of animal science     Volume:  68     ISSN:  0021-8812     ISO Abbreviation:  J. Anim. Sci.     Publication Date:  1990 Aug 
Date Detail:
Created Date:  1990-10-23     Completed Date:  1990-10-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8003002     Medline TA:  J Anim Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2340-4     Citation Subset:  IM    
Affiliation:
Cornell University, Ithaca, NY 14853.
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MeSH Terms
Descriptor/Qualifier:
Animal Feed
Animals
Avoidance Learning*
Feeding Behavior / psychology*
Food Preferences*
Horses / physiology,  psychology*
Taste*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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