Document Detail


The motivation of cows to walk as thwarted by tethering.
MedLine Citation:
PMID:  18539832     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Cows are often housed in tie-sheds for some part of the year (from 20 to 80% of adult cows in European countries). By contrast, regulations aiming at improving animal welfare generally provide for more opportunity to express behavior and so limit tethering (the European directive for sows). To inform current debate on whether cows should be tethered from an animal welfare point of view, 2 experiments were conducted to determine whether cows were motivated to walk (if their walking motivation was thwarted by tethering) and whether this frustration resulted in acute or chronic stress. In Exp. 1, fifteen cows were housed in tie-stalls for 1, 3, 9, or 27 d or loose-housed in a pen equipped with free-stalls for 27 d according to a Latin square design. On d 28, cows were observed in an 80-m(2) arena where they could walk or run for 10 min. In Exp. 2, fifteen cows were either loose-housed or tie-housed with or without 1 h of daily access to an exercise area according to a Latin square design (treatment duration of 27 d). On d 28, cows were observed in the test arena for 10 min as in Exp. 1. In addition, in Exp. 2, milk was sampled twice weekly for cortisol concentrations and cows underwent a chronic stress test (challenge with ACTH, followed by blood samples for cortisol concentrations). When they were tied with no access to exercise, cows displayed a greater locomotor activity in the test arena (time spent walking x 1.4 in Exp. 1, P < 0.05; time spent trotting x 5 in Exp. 2, P < 0.05), whatever the duration of tie-housing. Regular exercise caused locomotor activity in the arena test to revert to levels observed when cows were loose-housed. Basal cortisol concentrations in milk decreased with time whatever the housing condition (P < 0.001). This decrease was more marked when cows were tied than when they were loose-housed (P < 0.05). Cortisol responses to ACTH were similar between treatments. Adult cows are motivated to walk, and tethering thwarts this motivation. However, the frustration produced by tethering does not result in either acute or chronic physiological stress responses. We recommend that cows housed in tie-sheds be given regular access to an exercise area.
Authors:
I Veissier; S Andanson; H Dubroeucq; D Pomiès
Publication Detail:
Type:  Journal Article     Date:  2008-06-06
Journal Detail:
Title:  Journal of animal science     Volume:  86     ISSN:  1525-3163     ISO Abbreviation:  J. Anim. Sci.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-09-29     Completed Date:  2008-12-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003002     Medline TA:  J Anim Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2723-9     Citation Subset:  IM    
Affiliation:
INRA, UR1213 Herbivores, Site de Theix, F-63122 Saint-Genès-Champanelle, France. veissier@clermont.inra.fr
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MeSH Terms
Descriptor/Qualifier:
Animal Husbandry / methods*
Animals
Behavior, Animal
Cattle
Female
Housing, Animal
Time Factors
Walking / physiology*

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