All puppies are not created equal. Your large-breed puppy has unique nutritional needs in order to support their rapid growth and bone development, including more protein and fat from whole animal ingredients. ACANA Puppy Large Breed is packed with free-run chicken and wild-caught flounder, in WholePrey ratios of meat, organs, and cartilage or bone, with the added nutrition of delicious cage-free eggs, for a diet that gives your growing puppy everything they need to grow up healthy, happy, and strong.