| Correlated changes in behavioral indicators of lameness in dairy cows following hoof trimming. | |
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MedLine Citation:
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PMID: 21094747 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Cow gait, walking speed, time spent lying down, and distribution of weight among legs when standing during the week before and up to 5 wk after hoof trimming were assessed in 48 lactating Holstein cows housed in freestall pens to examine how changes in gait score following hoof trimming were correlated with other behavioral changes. Gait responses to hoof trimming varied between cows, with the majority showing no change or an increase in gait score. Walking speed was reduced after hoof trimming, and this decrease was maintained during the following 4 wk. The change in walking speed following hoof trimming negatively correlated with the change in gait (r = -0.33). Before hoof trimming, lame cows showed a greater standard deviation of the weight applied to the rear legs (38.4 vs. 27.2; standard error of the difference = 4.6). After hoof trimming, lame cows showed a quadratic increase in the standard deviation of the weight applied to the rear legs and the rear leg weight ratio, whereas no time trend existed for nonlame cows. The change in gait following hoof trimming was negatively correlated with the change in leg weight ratio (r = -0.44). Before hoof trimming, lame cows spent more time lying down each day than nonlame cows (801.7 vs. 731.7 min/d; standard error of the difference = 29.7). Both lame and nonlame cows increased the time they spent each day lying down after hoof trimming, and daily lying time remained higher for up to 5 wk after hoof trimming. The change in time spent lying down after hoof trimming was correlated with the change in gait (r = 0.30) and the change in leg weight ratio (r = -0.47). Using automated methods of lameness detection shows promise as a way of continuously monitoring animals to detect changes in behavior associated with the onset of or recovery from lameness. |
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Authors:
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N Chapinal; A M de Passillé; J Rushen |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of dairy science Volume: 93 ISSN: 1525-3198 ISO Abbreviation: J. Dairy Sci. Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-24 Completed Date: 2011-02-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985126R Medline TA: J Dairy Sci Country: United States |
Other Details:
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Languages: eng Pagination: 5758-63 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 American Dairy Science Association. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Animal Welfare Program, University of British Columbia, Vancouver, Canada. nchapinal@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cattle Cattle Diseases / diagnosis* Female Gait / physiology* Hoof and Claw / surgery* Lactation Lameness, Animal / physiopathology* Motor Activity / physiology Posture / physiology Time Factors Weight-Bearing / physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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