Professional+ Chicken & Lentils Formula for Large Breed Adult Dogs is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance. Large or giant breed dogs require special nutrition. Real chicken and proper levels of fat provide the energy needed to sustain a large body while maintaining proper body condition. Glucosamine and chondroitin help support joints, while omega-6 and omega-3 fatty acids help to maintain healthy skin and a shiny coat.