Have a barrow overweight.He weighs 285 and limit is 280.11 days till weigh in.Started him on 4.5 grams paylean 3 days ago.Looks really good .Dont want to lose shape.How should I feed him and get back underweight?Been feeding 1 1/2 pounds 18 percent feed 3oz fat 1 oz soybean oil 4.5 grams paylean and some rolled oats ,barley and soy hulls.Thanks!