Large breed dogs have a shorter life expectancy than other dogs and often start to age earlier royal canin maxi ageing 8 is made with carefully selected nutrients to help your dog age gracefully this food contains epa dha and an exclusive antioxidant complex which helps to protect the cells against free radicals your pet may exhibit some or all of these signs of aging its fur will become increasingly grey dull and coarse the skin loses its elasticity sensitive joints and an increased risk