Sub-clinical diseases affecting performance in Standardbred trotters : Diagnostic methods and predictive parameters - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Veterinary Journal Year : 2010

Sub-clinical diseases affecting performance in Standardbred trotters : Diagnostic methods and predictive parameters

Abstract

The objectives of this study were to determine the prevalence of sub-clinical diseases in poorly-performing Standardbred horses, compare their physiological response to exercise with control horses, and identify predictive parameters of poor-performance. Fifty horses underwent thorough clinical and ancillary examinations, including haematological and biochemical evaluation, Doppler echocardiography, standardised exercise tests (SETs) on both treadmill and racetrack, treadmill video-endoscopy and collection of respiratory fluids. Most of the poorly-performing horses exhibited many concomitant diseases. The most frequently diagnosed problems involved the lower and upper respiratory tract and the musculoskeletal system. Poor-performers had lower speeds at a blood lactate (LA) concentration of 4 mmol/L (V(LA4)) and a heart rate (HR) of 200 bpm (V(200)) on treadmill and racetrack, as well as lower values for haematological parameters, plasma angiotensin-converting enzyme and antioxidants, compared to control horses. Problems of the respiratory system were the most frequently diagnosed sub-clinical diseases affecting performance. SETs, together with some blood markers, may be useful as a non-specific diagnostic tool for early detection of diseases that may affect performance.

Dates and versions

hal-02664708 , version 1 (31-05-2020)

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Eric Richard, Guillaume D. Fortier, Pierre-Hugues Pitel, Marie Capucine Dupuis, Jean-Paul Valette, et al.. Sub-clinical diseases affecting performance in Standardbred trotters : Diagnostic methods and predictive parameters. Veterinary Journal, 2010, 184 (3), pp.282-289. ⟨10.1016/j.tvjl.2009.04.016⟩. ⟨hal-02664708⟩
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