Effects of oral potassium supplementation on acid-base status and plasma ion concentrations of horses during exercise
Brief content of the article
The objective of this study was to compare the effects of oral supplementation with an experimental potassium-free sodium abundant electrolyte mixture (EM-K) with that of oral supplementation with commercial potassium-rich mixtures (EM+K) on acid-base status and plasma ion concentrations in horses during an 80-km endurance ride. The authors did not observe a clear treatment effect during the ride, which may have been caused by the intensity of the ride. However, the authors wrote that a potassium-free electrolyte mixture should be more beneficial in faster horses and in more competitive rides. The authors concluded that the observed increases in plasma H+ and K+ were moderate and unlikely to contribute to signs of muscle fatigue and hyper excitability in horses. A full abstract can be found on Pubmed.
Keywords: electrolytes; potassium; sodium; supplements; acid-base balance; strong ion difference.
Hess, T.M., Kronfeld, D.S., Williams C.A., Waldron, J.N., Graham-Thiers, P.M., Greiwe-Crandell, K., Lopes, M.A., Harris, P.A. 2005. Effects of oral potassium supplementation on acid-base status and plasma ion concentrations of horses during exercise. Am. J. Vet. Res. 66: 466-473.
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