It takes giant dogs 18 to 24 months to reach their adult weight of 45 kg and above. Their dietary requirements change during this time, so we have created two diets: ROYAL CANIN® Giant Junior for use from 8 to 18/24 months, and ROYAL CANIN® Giant Puppy for use between 2 and 8 months. Compared to smaller breeds, giant-breed dogs require more time to mature physically during their formative years. This implies that they need specific dosages of calcium, calories, and protein. A protein content specifically designed to support muscle development in infants 8 to 18/24 months old is found in ROYAL CANIN® Giant Junior. Vitamins C and E are among the nutrients in this formula that support the body's natural defenses. Extra-big