A medium breed puppy, from birth to adulthood, gains 40 to 50 times its weight. This happens in just 12 months, by which time he is fully grown. To help him grow into a healthy adult dog as best as possible, you must take into account all the typical characteristics of this demanding period. For example, quite a lot is asked of his natural defenses and his digestion. Healthy vet food Medium Dog Junior from ROYAL CANIN® is an easily digestible food. It is for puppies of medium breed dogs weighing 10 to 25 pounds. It contributes to natural defenses and optimal digestion. It also contains nutrients that support the skin and ensure a shiny coat. Medium Dog Junior is for young dogs from 2 to 12 months of age. An energetic, medium-sized puppy with a beautiful coat. It stands out.