Eukanuba Sm Breed Puppy 40 Lb. Specially designed for small breed puppies who when they reach maturity will weigh less then 20 lbs. Eukanuba&rsquo;s highest protein and fat content formula, ideal for higher metabolisms found in small breeds.&nbsp; Smaller size kibble for smaller mouths and stomachs.&nbsp; Chicken is the #1 Ingredient: Real chicken as the #1 ingredient provides an excellent source of protein. Natural Fish Oil for DHA: Provides DHA, a brain-building nutrient that helps develop smart, trainable puppies. Fish Oil also provides Omega-3 fatty acids for healthy skin and coat.