For large breed adult dogs with a normal activity level generally 1 year and above.m Large kibble size perfect for the large and giant breeds, as well as smaller brachycephalic breeds such as the bulldog A combination of fresh chicken and high quality chicken meat meal 30 percent providing meat protein of a very high biological value. Higher levels of glucosamine, chondroitin and MSM to help to maintain strong, supple joints and cartilage which is so important in the larger breeds