![]() ![]() Alterations of V200 (speed in which the horse reaches 200 heart beats/min) and VL4 (speed which corresponds to a blood lactate of 4 mmol/l) were not observed (P>0.05), however there was a travelled distance elevation in the tests in function of the increase on the days of supplementation, by linear regression (P<0.05) analysis. There was a significant effect of the DMG supplementation given during 30 days over the reduction in the lactate concentration after the test exercise. ![]() The treatments consisted of periods of DMG (30 g of commercial product) administration: without supplementation, and with supplementation for 10, 20 and 30 days. The utilised experimental design was the 4×4 Latin square, constituted by four periods of four weeks of evaluation, intercalated with four weeks of wash-out periods. Four adult Arabian horses with a mean age of 8☑.5 years and a mean body weight of 340☑0.8 kg were used. Our objective was to verify the effect of the period of dimethylglycine (DMG) supplementation in horses subjected to incremental treadmill exercise, on the metabolic and physiologic variables and indices related to physical performance. ![]()
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