By Dr. Wendy Pearson, PhD (Dr. of veterinary toxicology)

Question: Does my horse need electrolytes if he barely sweats during cold weather rides? 

The primary purpose for giving electrolytes year-round is to maintain proper hydration in your horse. Dehydration can happen for various reasons, not just from sweating during exercise or hot weather. As winter sets in, many horses tend to drink less water, which is a major contributor to conditions like impactions and gas colic. Increasing electrolytes in your horse's diet can help encourage water consumption and prevent dehydration.

Electrolytes are essential charged particles that help retain water in the body. When added to your horse’s feed, electrolytes are absorbed into the bloodstream, creating an osmotic gradient that draws water from the gut into the bloodstream. This process triggers the horse’s natural thirst response, encouraging them to drink more. Just as electrolytes are important in hot weather, they are equally crucial during colder months to prevent dehydration. Adding electrolytes to your horse’s winter diet is an affordable and effective way to ensure they stay hydrated and healthy.

Related: How to Test Your Horse for Dehydration

Related: The Scoop on Equine Supplements

More by Wendy Pearson

Used with permission from www.horseherbs.com.

Main photo: ©Thinkstock.com/OlgaIT