The dog has evolved as a carnivore, with a natural need for a diet of varied fresh meat and fish supplemented with small amounts of vegetables, fruits and grasses. Acana Heritage is made largely from nutrients naturally present in the ingredients; synthetic additives are kept to a minimum. Acana Heritage Adult Small Breed Dog is made up of 60% high-protein ingredients; free-range chicken, free-range eggs and wild-caught flatfish. This food contains all the ingredients to keep your adult dog in good condition. Acana Heritage Adult Small Breed Dog is suitable for adult dogs (over 1 year old) of small breeds. For larger breeds, there is Acana Adult Large Breed Dog Heritage.