Weight Reduction: Up to 15 lbs. 1/2 – 1 cup* 16 to 25 lbs. 1 – 1 ½ cups* 26 to 40 lbs. 1 ½ – 2 ¼ cups* 41 to 60 lbs. 2 ¼ – 3 cups* 61 to 80 lbs. 3 – 3 ¾ cups* 81 to 100 lbs. 3 ¾ – 4 ½ cups* Over 100 lbs. 4 ½ cups* + ½ cup for each additional 20 lbs. Weight Maintenance: Up to 15 lbs. 1/2 – 1 ½ cups* 16 to 25 lbs. 1 ½ – 2 cups* 26 to 40 lbs. 2 – 3 cups* 41 to 60 lbs. 3 – 4 cups* 61 to 80 lbs. 4 – 5 cups* 81 to 100 lbs. 5 – 6 cups* Over 100 lbs. 6 cups* + ½ cup for each additional 20 lbs. *Use a standard 8-oz. measuring cup. Note: Individual dog's requirements may vary due to age, breed, environment, and activity level. Adjust food as required to maintain optimal body condition, and ask your veterinarian if you are unsure.