Purina pro plan canine puppy medium optistart chicken has been specially developed by nutritionists and veterinarians to meet the needs of medium breed puppies with an expected adult weight of 10 25kg this dry dog food contains the optistart formula which is an effective combination of vital nutrients designed to support your puppy during his first year promoting healthy development and an active life this great tasting dry food also includes pieces of high quality chicken as well as colo