InkedMarie is right. Gravy Train isn’t a very good food. Try to find a 3-4 star rated food to begin with since your dogs are eating such a low quality food. There are a lot of foods that cost about the same and are much more nutritious with better ingredients. You will have to do a slow transition, but it will be better for your dogs in the long run.
Salmon oil is much better than vegetable oil. I would add some fresh cooked meat or adding some canned, as IM suggested. If you are feeding only oatmeal and egg daily, that’s not nutritionally complete, even for a senior dog.
