NO on the Omelene…
The best feed for an ulcer prone horse is one with as little grain as possible - like Triple Crown Sr. Another great one would be Seminole Wellness Sr, or Compete Safe. You can add Beet Pulp, Flax, Alfalfa (especially great for tummies) and Cool Calories or Cocosoya Oil as needed for weight.
How much Ultium is he eating right now?