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Antioxidant supplementation and subsequent oxidative stress of horses during an 80-km endurance race
Brief content of the article
This field study tested the development of oxidative stress and the effects of antioxidant supplementation in an 80-km ride. A precompetition survey revealed that no competitor would participate without vitamin E supplementation; therefore, 46 horses were paired for past performances and randomly assigned to two groups of 23 each for 3 wk of supplementation before the ride. One group (E) was orally supplemented with 5,000 IU of vitamin E per day; the other group (E+C) received that dose of vitamin E plus 7 g/d of vitamin C. The addition of vitamin C had no effect on the variables measured other than the increased ascorbate status. A full abstract may be obtained of http://www.animal-science.org/cgi/content/abstract/82/2/588
Key Words: Tocopherol; Ascorbate; Endurance Exercise; Equine; Muscle Enzymes; Oxidative Stress
Williams C.A., Kronfeld, D.S. Hess, T. M. Saker, K. E., Waldron J. N., Crandell, K. M., Hoffman R. M. and Harris P. A. 2004. Antioxidant supplementation and subsequent oxidative stress of horses during an 80-km endurance race. J. Anim Sci.82:588 – 594.
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