Wysong Senior Canine Formula - Dry Diet Senior Dog Food A Time Tested, Nutrient Dense Natural Food Formulated For Senior Dogs. Fed To Tens Of Thousands Of Dogs Through Generations With Great Results Fresh, Whole Ingredients, Plus A Comprehensive Spectrum And High Levels Of Micronutrients/Nutraceuticals High Level Of Fresh/Frozen And Dried Meats, Protein And Fat. Contains No Artificial Additives Or Non-Nutritional Ingredients Very Palatable And Suitable For All Sizes And Breeds Wysong Has Been A Leader In Pet Nutrition Since 1979