For optimal performance, feeding good quality protein is important. To put that into practice, we need to understand what defines the “quality” of protein and what to look for when choosing feeds for our horses. The goal of this presentation is to go over some key concepts regarding protein quality, talk about commonly used protein sources in equine diets and most importantly how to safely and effectively feed it to horses. I will also briefly touch on the relationship between dietary protein and muscle development and share some of the exciting research I have been conducting in this area.