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Year 2011 - Volume 31, Number 9
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Glycemia and serum concentrations of insuline, triglycerides and cortisol in Mangalarga Marchador horses after physical exercise, 31(9):756-760
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ABSTRACT.- Coelho C.S., Gama J.A.N., Lopes P.F.R. & Souza V.R.C. 2011. [Glycemia and serum concentrations of insuline, triglycerides and cortisol in Mangalarga Marchador horses after physical exercise.] Glicemia e concentrações séricas de insulina, triglicérides e cortisol em equinos da raça Mangalarga Marchador após exercício físico. Pesquisa Veterinária Brasileira 31(9):756-760. Programa de Mestrado em Ciência Animal, Centro Universitário Vila Velha, Rua Comissário José Dantas de Melo 21, Vila Velha, ES 29102-770, Brazil. E-mail: clarisse.coelho@uvv.br
The aim of this study was evaluate the influence of physical exercise of submaximal intensity (marcha gait) on biochemical variables used for the evaluation of energetic metabolism in Mangalarga Marchador horses trained in Espirito Santo, Brazil. Serum and plasma samples were obtained from 15 horses in four different moments: before (T0), 5 minutes (T1), 30 minutes (T2) and 2 hours (T3) after the exercise. Results showed that the imposed exercise did not influence plasmatic glucose, with mean values of 117.1±5.8g/dL, 122.6±59.6mg/dL, 124.8±48.6mg/dL and 112.9±49.1mg/dL, and serum insuline, with median values of 6.50mUI/mL, 2.00mUI/mL, 5.85mUI/mL and 11.60mUI/mL, respectively on the moments T0, T1, T2 and T3. Differently, it was possible to observe a positive influence of the exercise over serum triglycerides, with mean values of 25.4±14.9mg/dL, 42.3±17.8mg/dL, 31.4±17.7mg/dL and 25.1±15.1mg/dL, and serum cortisol, with mean values of 7.46±4.37mg/dL, 12.45±3.08mg/dL, 11.40±2.52mg/dL and 6.89±1.78mg/dL, respectively on the moments T0, T1, T2 and T3. It was possible to conclude that the marcha gait leaded to an elevation of serum triglycerides and cortisol levels. Also, as the values found were within reference levels, it was possible to conclude that the horses were used to this physical activity imposed on the occasion. |
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