Yes, Forbis Long Coat Aloe Dog Shampoo is the one of the best Dog Shampoo for Dogs of long haired.
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.
Royal Canin diets are the one of the best dog foods and such pouches are sealed tightly and after once loosen it, the pet owners can have them in a container and in this way they can preserve them for long days. Keep away from the moisture weather anyhow.
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.