Puppies Can Benefit From a Simplified Diet With Fewer IngredientsCalifornia Natural Lamb Meal & Rice Dry Puppy Food has been specifically formulated to meet the critical nutritional needs of the growing puppy from weaning until 12 to 18 months of age. California Natural Puppy Food uses 100% lamb meal as a highly palatable, highly digestible source of protein, and wholesome white and brown rice and sunflower oil as efficient sources of energy to support exercise and endurance.