Typically, we everyone knows this better that the canned dog food is something more special than dry dog food. The Canned dog food lasts for 2 years from the date of manufacturing by the pet nutritionist expert. After once opened the canned dog food which should be covered with the tight-fitting lid that often found in a pet shop to purchase and after refrigerated them in refrigerator and such opened canned dog food is usable for two days not more than that.
The feeding guidelines have mentioned on the pouch as in print message based otherwise you can take the advice of a veterinarian expert/physician.
As its name shows Royal Canin Giant Puppy is suitable for all the Giant Dog Breeds Like Great Dane,Bull Mastiff,English Mastiff,St. Bernard,Neapolitan Mastiff etc.