However, if he continues to exercise strenuously, he will definitely benefit from electrolyte supplementation. In selecting an electrolyte, examine the contents with the sweat loss of electrolytes in mind. A dose of the best electrolytes may supply about the amount lost in 1 gallon of sweat, some products contain only a fraction of the amount lost in 1 gallon of sweat. Look for products that use the chloride salts of sodium, potassium and magnesium in order to boost the chloride amount. A high percentage of sugar should be avoided.
Electrolytes are always most effective when given in connection with water intake.
However, a dose may encourage water intake if the horse is reluctant to drink. Free-feed hay the night before the ride to encourage water intake. In most cases, yes. Adult horses will not starve overnight but they usually don't drink if they aren't feeling well. This can lead to impactions or progression of a developing colic.