Avoderm Oven Baked Potato and Duck All Natural Dog Treats 20 oz, Potato and duck are great sources of carbohydrates and protein for energy. Nutrient rich avocados contain vitamins in abundance. They’re also an excellent source of balanced nutritional essentials for your dog’s skin and coat health—and good health in general. Avocados are high in folate, potassium, niacin, essential fatty acids, and many other nutrients. Ounce for ounce, the avocado is simply one of the most nutritious fruits there is.