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

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

J Anim Sci. 2013 Dec 18;

Authors: Visser EK, Neijenhuis F, de Graaf-Roelfsema E, Wesselink HG, de Boer J, van Wijhe-Kiezebrink MC, Engel B, van Reenen CG

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 3000 animals. This study recorded on 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 (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 Body Condition Score compared to horses used for breeding (OR = 3.07) and instruction (OR = 2.06). The prevalences 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.
PMID: 24352963

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