The objective of this work was to compare physiologic parameters of a group of trained horses submitted to 30 and 60km endurance exercises with an average speed of 10 and 15km/h, respectively. One of the groups was treated, orally, with an hipertonic electrolyte paste before, during and after the task. The results revealed that the administration of the electrolyte paste did not show any deleterious effect on the animals, and also suggest that the supplementation with an electrolyte source should contribute for the performance of horses submitted to prolonged efforts.
electrolytes; endurance; equine; physiologic values
