What is the difference between small dog food and another adult food except for the size of the kibbles? 09 November 2020 15:44 Small dogs can benefit from extra protein in their diet, which the small breed dog food gives them. Related articles When do you change from puppy to adult food? How much food should I feed my puppy? Do you have measuring cups? My dog has very bad flatulence What is the difference between an adult food and a Worker food?