Dogtime recommends feeding a male Great Dane puppy, aged 3 to 6 months, 4 to 8 cups of food daily, divided into at least three servings.
Females of the same age should receive 3 to 6 cups of food daily.
From 8 to 12 months, feed males 6 to 10 cups of food and females, 5 to 8 cups.