Canidae Pure Elements Lamb Sweet Potato Dry Dog Food, 22lbAvailable in other sizes 4lb size 12lb size ~ . This recipe features just ten key ingredients along with a healthy blend of natural flavors, vitamins, minerals and probiotics. The first ingredient in this Canidae dog food is fresh lamb, a high quality source of protein and other essential nutrients. In fact, each cup of this food contains 41 grams of protein! The limited ingredient grain free dog food is designed for dogs with food sensitivities. This