Timothy hay is one of the most common hays fed to horses in the US because it is usually consistent, easy to manage, and works well as a baseline forage for many adult horses. But “best hay” depends on the horse in front of you. A hay that keeps one horse perfectly fit can cause weight gain in an easy keeper, or fall short for a hard keeper. Your horse’s weight, workload, and metabolic risk matter as much as the hay label. If you are choosing between hay types, start with thi