HSD Adult Light Lrg Breed 30lbsHill's Science Diet Adult Light Large Breed 30lbs Just because your dog is big in size, it doesn't mean their pet food should be big in calories. Hill's Science Diet Large Breed Light Adult dry dog food is precise nutrition for less active adult large breed dogs that require a low calorie pet food to maintain a healthy weight & lifestyle. Made with natural ingredients, it provides L carnitine to promote an ideal bodyweight, healthy heart function, and