Royal canin x small junior is a specialised dry dog food for puppies of very small breeds adult weight up to 4kg puppies of small breeds undergo a very short and intense growth period given adequate energy and protein they will multiply their body weight by 20 within a very short period a nutritious optimal diet during this sensitive phase will lay the foundation for a long and healthy life royal canin x small junior dry dog food is specially adapted to the particular needs of puppies of