Stomach Problems STEVE: Stomach problems in a horse can be anything as simple as gastric upset, essentially where a horse is a little uncomfortable prior to their being fed. Certain types of feeds tend to exacerbate this, or something as simple as an ulcer. A horse can be uncomfortable prior to introduction of feed and this sort of thing. They’d show clinical symptoms that they’re a little bit colicky, a little bit uncomfortable. Essentially, modification of diet, amount of diet, when and how many times day you feed him, all of this can remedy the problem right away. There’s a rule that the stomach is not a real big deal in most horses, but the finicky, higher bred, thoroughbreds, things of this nature and Arabians, in particular, they can be a little bit more sensitive to stomach maladies as far as that’s concerned.