Do dogs have to have their tails docked? What are the benefits of docking a dog’s tail?

Do dogs have to have their tails docked?
There are many breeds of dogs, but not all dogs need to have their tails docked. Whether a dog should have its tail docked or not should be decided based on the actual situation. Due to the necessity of life and work, sometimes dogs need to have their tails docked. For example, search and rescue dogs often need to pass through thorny bushes to drive away quail and other prey, so their tails need to be docked. Otherwise, when the dog is working, the long tail will slap on the bushes and cause injury. For example, dogs like Doberman Pinscher and Rottweiler often have a job of defending and often have to fight and bite the enemy. In order to prevent the tail from being attacked during the battle, they will choose to dock the tail of the dog. . The main reason for tail docking of dogs still depends on their own life characteristics and work characteristics.
Tail docking is good for hiding emotions
The reason why some dogs have their tails docked is to confuse enemies. When a dog fights, its tail can betray its mood, such as if the dog is scared or if the dog is ready. After the dog's tail is docked, he can hide some of his psychological emotions.
Tail docking can prevent pinch injuries
If the dog's tail is not docked, the tail will be too long when it grows up and cannot stand up, and usually hangs on the ground. It often causes injuries, such as being caught by doors, being cut or scraped by sharp objects, etc.
Tail docking can prevent feces
If the dog’s tail is too long, it is easy for feces to stick to it. If your dog has a bad gastrointestinal condition and has diarrhea, the entire tail will become dirty. Docking a dog's tail can prevent the dog's buttocks from being stained with feces, which can breed bacteria and become infected with parasites.