How to make corn flour for dogs

Formula 1: 25% corn flour, 30% rice, 20% bran, 10% meat or animal offal, and 12% meat and bone meal.
Recipe 2: 30% cornmeal, 20% rice, 10% bran cake, 10% bran, 8% bean cake, 16% fish meal, 2% each of meat meal and bone meal.
Recipe 3: 30% rice, 25% corn flour, 15% wheat bran, 9% peanut cake, 10% bone and meat meal, 8% fish meal, plus 150 grams of vegetables.
Recipe 4: 40% corn flour, 10% bean cake, 30% pig concentrate, 10% rice, 10% fish meal.
First make corn porridge from corn flour, then add rice, meat or fish meal, vegetables, etc. to cook together, stir evenly and then feed.