You can give your dog cornmeal instead of dog food, but it can only be fed for a short period of time. Long-term feeding may cause malnutrition in the dog.

You can also give your dog some white rice, because white rice contains easily digestible carbohydrates and a small amount of Protein, fiber, etc. can be used as one of the staple foods of dogs. Sweet potatoes can also be used as one of the staple foods of dogs, which can provide energy for dogs.