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Title: Using Movement Sensors to Assess Lying Time in Horses With and Without Angular Limb Deformities
Contributor(s): Clothier, Jane  (author)orcid ; Small, Alison (author); Hinch, Geoff  (author)orcid ; Barwick, Jamie  (author)orcid ; Brown, Wendy Y  (author)orcid 
Publication Date: 2019-04
Early Online Version: 2019-01-31
DOI: 10.1016/j.jevs.2019.01.011
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Abstract: Chronic musculoskeletal pathologies are common in horses, however, identifying related effects can be challenging. This study tested the hypothesis that movement sensors and analgesics could be used in combination to confirm the presence of restrictive pathologies by assessing lying time. Four horses presenting a range of angular limb deformities (ALDs) and four nonaffected controls were used. The study comprised two trials at separate paddock locations. Trial A consisted of a 3-day baseline phase and 2 × 3-day treatment phases, during which two analgesics were administered to two ALD horses and two controls in a standard crossover design. Trial B replicated trial A, except that as no difference between analgesics had been evident in trial A, only one analgesic was tested. Movement sensors were used to measure the horses' lying time and lying bouts. In trial A, ALD horses' basal mean lying time was significantly less than controls (means ± SD for ALD horses 213 ± 1.4 minutes and for controls 408 ± 46.7 minutes, P = .007); with analgesic administration, the difference became nonsignificant. In trial B, ALD horses' basal mean lying time was also significantly less than controls (ALD horses 179 ± 110.3 minutes; controls 422.5 ± 40.3 minutes, P < .001), again becoming nonsignificant with analgesic administration. Given the increases in ALD horses' lying time with analgesic administration, it is possible that their shorter basal lying time is associated with musculoskeletal discomfort. Despite the small sample size, movement sensors effectively measured this behavior change, indicating that they could be a useful tool to indirectly assess the impact of chronic musculoskeletal pathologies in horses.
Publication Type: Journal Article
Source of Publication: Journal of Equine Veterinary Science, v.75, p. 55-59
Publisher: Elsevier Inc
Place of Publication: United States of America
ISSN: 1542-7412
Fields of Research (FoR) 2008: 070203 Animal Management
070702 Veterinary Anatomy and Physiology
Fields of Research (FoR) 2020: 300302 Animal management
300902 Veterinary anatomy and physiology
Socio-Economic Objective (SEO) 2008: 839901 Animal Welfare
Socio-Economic Objective (SEO) 2020: 109902 Animal welfare
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science

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