This dinner meets the nutritional requirements of older and less active dog. Evanger's Senior & Weight Management is formulated to meet the nutritional levels established by the AAFCO nutrient profiles for all life stages. Puppies, pregnant and nursing dogs may require 2-3 times above amounts, and reduced for less active or older dogs. Amount of food your dog requires depends on activity, age, environment and breed. Senior Food is certified Kosher for Passover by the cRc