Document Detail

Dairy cattle exploratory and social behaviors: is there an effect of cloning?
MedLine Citation:
PMID:  17904214     Owner:  NLM     Status:  MEDLINE    
While an increasing number of animals are produced by means of somatic cloning, behavioral studies on cloned animals are still rare. The aim of this study was to investigate whether the somatic cloning procedure has an influence on locomotion, exploratory, vocal and social behaviors of heifers. Ten heifers were used in the present study. Five of them were cloned heifers derived from somatic cells of three different Prim'Holstein cows and five others were same-age control heifers produced by artificial insemination. In addition to observations of social behaviors in the stable group, each animal was placed individually for a short time in an unfamiliar environment. Our results failed to show any statistical differences between clones and their controls both in frequencies of agonistic and non-agonistic behaviors. However, cloned heifers showed significantly more non-agonistic and less agonistic behaviors towards other cloned partners than towards control ones. This result also stood for control heifers. As far as their Hierarchical Index was concerned, three cloned heifers were highest ranking and two others lowest ranking. In this herd, social dominance appeared to be linked to body weight and age rather than to a cloning effect. In an unfamiliar environment, cloned and control subjects exhibited the same level of locomotion and vocalization. However, cloned heifers showed more exploratory behaviors than did control ones. This difference could be due to environmental factors during the postnatal period rather than to cloning.
M Coulon; C Baudoin; M Depaulis-Carre; Y Heyman; J P Renard; C Richard; B L Deputte
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Publication Detail:
Type:  Journal Article     Date:  2007-09-27
Journal Detail:
Title:  Theriogenology     Volume:  68     ISSN:  0093-691X     ISO Abbreviation:  Theriogenology     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-10-08     Completed Date:  2008-08-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0421510     Medline TA:  Theriogenology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1097-103     Citation Subset:  IM    
Université Paris 13, CNRS UMR 7153, Laboratoire d'Ethologie Expérimentale et Comparée, 99 avenue J-B. Clément, F-93430 Villetaneuse, France.
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MeSH Terms
Age Factors
Behavior, Animal / physiology*
Body Weight / physiology
Cattle / physiology*
Cloning, Organism / veterinary*
Dairying / methods
Exploratory Behavior / physiology*
Locomotion / physiology
Social Behavior*
Vocalization, Animal / physiology

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

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