Royal Canin’s range of Maxi products are designed with the specific needs of the large-breed dog in mind. Large-breed puppies have greater difficulty digesting their food than their smaller counterparts, partly due to their relatively short digestive tract. In addition, large-breed puppies’ immune systems require a particularly gentle hand during their first 12 months as they lose the immunity given to them by their mothers’ milk. Product details For large-breed puppies (adult weight 26-44kg) aged up to 15 months addresses large-breed puppies’ specific digestion needs supplies added support for puppies’ immune systems promotes appropriate rate of growth while minimising risk of excess weight supports bone and joint development.