Concentrações séricas de aspartato aminotransferase e creatinoquinase e concentrações plasmáticas de lactato em equinos da raça Mangalarga Marchador após exercício físico
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2012-12-01
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The aim of this study was evaluate the influence of physical exercise (marcha gait) on serum values of CK and AST and plasmatic values of lactate in Mangalarga Marchador horses trained in Espirito Santo, Brazil. Serum and plasma samples were obtained from 15 horses in four different moments: rest (T0), 5 minutes (T1), 30 minutes (T2) and 2 hours (T3) after the exercise. Lactate analysis revealed values of 1.02 ± 0.41 mmol/L, 2.73 ± 2.43 mmol/L, 1.89 ± 1.24 mmol/L and 1.31 ± 0.60 mmol/L, respectively at T0, T1, T2 and T3. When evaluating AST, the results recorded in T0, T1, T2 and T3 were, respectively, 189.3 ± 56.0 UI/L, 223.9 ± 53.5 UI/L, 186.8 ± 25.8 UI/L and 193.9 ± 44.7 UI/L. Finally, the CK at moments T0, T1, T2 and T3 were, respectively, 113.4 ± 56.3 UI/l, 144.1 ± 70.9 UI/L, 143.0 ± 81.0 UI/L and 173.1 ± 128.0 UI/L. The results showed that marcha gait leaded to significantly increased in plasma lactate and did not alter serum AST and CK, suggesting that the equines used were conditioned to the physical exercised imposed.
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AST, CK, Exercise, Horses, Lactate, Marcha gait
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Brazilian Journal of Veterinary Research and Animal Science, v. 49, n. 6, p. 480-486, 2012.