How should dehydration be treated? How long can a horse go without water?

Assuming previous efforts at encouraging the horse to drink by offering of fresh, potable water have failed, you can treat dehydration by administering fluids and electrolyte solutions. Fluids and electrolytes are vital in treating and stabilizing horses with dehydration. However, you should seek the advice of your veterinarian and have him or her administer the fluids. Excess fluid administration can lead to physiological problems.
Most of the time, electrolytes will be administered by mouth. In severe cases, they will be …

Is there a formula or recipe for making an electrolyte supplement to be given to horses during or after events in hot weather?

Many people think their horse needs electrolytes during the summer. Provided the horse is conditioned properly and is consuming a properly balanced diet, supplemental electrolytes probably are not necessary. However, during extremes of temperature and humidity, the horse may need an electrolyte solution, but it should not be needed or given on a daily basis. If you think a solution is needed, make sure the horse has a choice between the solution and plain water.
A horse that is working …