When your cat reaches its 10th birthday it will start to need to eat a different diet one that is lighter in fat and gentler on its system happy cat senior dry food best age 10 is made with lamb poultry and salmon which are all easy to digest and great sources of quality animal protein this dry kibble has a restricted mineral content to ensure that your cats heart liver and kidneys are not overburdened and the natural recipe has been enriched with new zealand mussel meat which can h