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.
It is so simple, just keep them tightly inside a container which could not be damaged/effected due to the moisturizing weather, it means try your best not to allow it by keeping in an open environment.
In generally, the Rottweiler breed is including in the giant breed due to its inheriting with big and potential body shape/size. Having seen their potential body shape, the animal experts have chosen them as giant breed and in providing such breed of dog with the easiest digestible along with best nutritional dog foods would more beneficial. You can feed your Rottweiler the Royal Canin Giant Starter, 4kg, Pedigree puppy Large Breed 10KG, Pedigree Puppy Dog Food Chicken Milk 3 KG pack etc.
While someone intends in switching to a new dog food, it must occur several health issues such as gas, loose stool or many other physical problems and that is why it is crucial in selecting the new dog food which has prepared with the balanced nutrient diet along with including in the easiest digestible categorized. It is better to take advice from pet nutrient experts and veterinary specialist.