Jack Russell terriers are lively, intelligent and friendly pets. Originally a hunting breed, they have become popular family pets. Its muscular, robust body and its strong jaw need special nutrition. Jack Russells also have problematic skins. Royal Canin’s Jack Russell recipe has been formulated with omega 3 fatty acids and borage oil for a silky coat. Its muscle strength is maintained with the increased protein content of the kibble and it will also give him a vitality injection (if ever he should need one…).