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Journal of Animal Science Abstract - Special Topics

Risk factors associated with health disorders in sport and leisure horses in the Netherlands1

 

This article in JAS

  1. Vol. 92 No. 2, p. 844-855
     
    Received: May 12, 2013
    Accepted: Nov 20, 2013
    Published: November 24, 2014


    2 Corresponding author(s): kathalijne.visser@wur.nl
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doi:10.2527/jas.2013-6692
  1. E. K. Visser 2,
  2. F. Neijenhuis*,
  3. E. de Graaf-Roelfsema,
  4. H. G. M. Wesselink,
  5. J. de Boer§,
  6. M. C. van Wijhe-Kiezebrink*,
  7. B. Engel# and
  8. C. G. van Reenen*
  1. Livestock Research, Department of Animal Welfare, Wageningen University and Research Centre, PO Box 65, NL-8200 AB Lelystad, the Netherlands
    Faculty of Veterinary Medicine, Department of Equine Sciences, Utrecht University, Yalelaan 114, NL-3584 CM Utrecht, the Netherlands
    Independent Veterinary Professional, Beerzerweg 11, NL-7736 PH Beerze, the Netherlands
    GD Animal Health Service, PO Box 9, NL-7400 AA Deventer, the Netherlands
    Biometris, Wageningen University and Research Centre, PO Box 100, NL-6700 AC Wageningen, the Netherlands

Abstract

Horses are used for a wide variety of purposes from being used for recreational purposes to competing at an international level. With these different uses, horses have to adapt to numerous challenges and changes in their environment, which can be a challenge itself in continuously safeguarding their welfare. The objective of this study was to assess the prevalence of health disorders with clinical examination and identify possible risk factors of health disorders affecting horse welfare in professional husbandry systems in the Netherlands. With the use of fixed protocols for recording health aspects in horses, 150 horse farms voluntarily participating in the study were assessed by trained assessors. On each farm, 20 horses were clinically examined, in total almost 3,000 animals. This study recorded on the basis of the clinical examinations: the respiratory system (i.e., abnormal breathing [1%], coughing [1%], nasal discharge [1.9%]), body condition (i.e., 18.8% fat body condition and 6.4% poor body condition), locomotion (14.5% exhibited irregularity of locomotion and 4.8% were lame), back palpation (a light response [22.6%] and moderate to severe response [8.4%]), mouth (i.e., irregularities on mouth corners [3.4%] and bars [3.4%]), and ocular discharge (12%). Risk factor analysis, stepwise using mixed model regression, demonstrated several risk factors for health aspects. Horses used for instruction (riding lessons) were almost two times more at risk to develop moderate to severe back pain compared to horses used for recreation (odds ratios [OR] = 0.54) or for competition (OR = 0.61). Horses used for instruction (riding school lessons), breeding, or recreation all had a higher risk for irregular locomotion or lameness compared to competition horses (OR = 0.42, OR = 0.55, OR = 2.14, respectively). Horses used for recreation were more prone to have a higher BCS compared to horses used for breeding (OR = 3.07) and instruction (OR = 2.06). The prevalence of health problems and the identified risk factors are valid for the horses in the present study in which farms voluntarily participated. Furthermore, the results may provide the basis for horse welfare and health programs on farm and horse industry levels. With the development of a valid welfare monitoring system for the horse industry, the welfare of horses can be increased through improving awareness and stimulating changes in management.

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