Horses also get stressed and their digestion and gut can suffer with ulcers and other ailments. How to identify potential problems is something every horse owner should learn. One way to help prevent your horse(s) from getting sick or bring them back to health is by making sure what they eat is good for them. We pay careful attention to our diets, but do we pay attention to what we feed our horses? What our horses eat is important if we want them to be healthy and free from disease.