If you just keep the Rottweiler as a pet dog, tail docking is not necessary, because in life you don’t need to cross complicated terrain or hunt, and the tail is also a way for the dog to express friendliness to its owner. In addition, Docking the tail of your pet will slightly affect the dog's balance, so it is not recommended for pets to have their tail docked. And many people do it on their own, which can easily lead to infections in dogs due to improper methods. Therefore, if you must dock your tail, it is best to go to a regular pet hospital for it.