Hill's Science Diet Puppy Large Breed Lamb Meal & Rice Recipe dog food provides precisely balanced, easy-to-digest nutrition tailored for growing large breed puppies. Ideal levels of calcium for controlled bone growth DHA supports healthy brain development and learning ability Optimal levels of Vitamin C+E build immune system protection High quality lamb protein with natural ingredients Key Benefits Recommended For: Large breed puppies (over 55 lbs when adult) up to 1 year old. Not Recommended For: Pregnant or nursing dogs because of a lower energy density and lower calcium content (compared to Science Diet® Puppy Healthy Development Original). Pregnant or nursing dogs should be fed Science Diet Puppy Healthy Development Original, Science Diet Puppy Healthy Development Small Bites or Science Diet Puppy Healthy Development Lamb Meal & Rice Recipe