Exclusive kibble : Special molossoid jaw a kibble exclusively designed to make it easier for the Rottweiler to pick up and to encourage him to chew. ideal muscle mass Rottweiler adult contributes to maintaining muscle mass thanks to an adapted protein content. This formula also contains l-carnitine. B1 and joint health this specific formula helps support healthy b1s and joints and helps maintain ideal weight. Enriched with EPA and DHA.