This chart is a general approximation. Considerations for different breeds & ages of puppies and adults are Protein Level, Fat Level, Calcium/Phosphorus Ratio, Ingredients and Kibble Size. Find your dogs weight and then their activity then click on the dot in the chart it will take you to the appropriate feed choices. For advice for your specific dog based on variations in environment, age, breed, health condition and activity levels, call 1-800-598-DOGS.