When starches and sugars are consumed, the body releases insulin, a hormone that cues absorption and storage of sugar from the bloodstream. Overfeeding starch and sugars can make horses “insulin resistant,” meaning the body cannot absorb glucose properly to fuel the body.
Back to Horse Health Glossary
Back to Equine Nutrition A to Z
This article originally appeared in the 2010 issue of Horses USA. Click here to purchase a copy.