Document Detail

Heart rate and behavioural responses of crib-biting horses to two acute stressors.
MedLine Citation:
PMID:  10755589     Owner:  NLM     Status:  MEDLINE    
The heart rate and behaviour of 14 adult saddle horses, eight crib-biters and six normal controls, were investigated. Initially, the relationship between crib-biting and heart rate was investigated while the horses were undisturbed. The horses were tested when restrained with a lip twitch, and assessed when they were exposed suddenly to the rapid inflation of a balloon. The heart rate of the crib-biters during crib-biting was lower than during other behaviours. The crib-biters had a higher overall mean heart rate (P<0.05) suggesting that they may have had a higher basal sympathetic activity. After the application of the twitch, all the horses had a transient increase in heart rate which returned to basal values more rapidly in the crib-biters. The crib-biters were less reactive to the lip twitch, five of the six investigated remaining calm, and after the release of the twitch, they spent more time nibbling (P<0.05) than the control horses. The crib-biters reacted more strongly to the inflation of the balloon (three of the six reacted), and after it had been inflated they spent more time walking in the box.
M Minero; E Canali; V Ferrante; M Verga; F O Odberg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Veterinary record     Volume:  145     ISSN:  0042-4900     ISO Abbreviation:  Vet. Rec.     Publication Date:  1999 Oct 
Date Detail:
Created Date:  2000-05-18     Completed Date:  2000-05-18     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0031164     Medline TA:  Vet Rec     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  430-3     Citation Subset:  IM    
Instituto di Zootecnica Veterinaria, Università degli Studi di Milano, Italy.
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MeSH Terms
Acute Disease
Behavior, Animal / physiology*
Heart Rate / physiology*
Horse Diseases / physiopathology*
Horses / physiology*,  psychology
Stereotyped Behavior / physiology*
Stress, Physiological / physiopathology,  psychology,  veterinary*

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