Ideally a two year old dog has already learned not to bite, particularly a rescue dog that may be needed to help pull a person from an area. However, it is possible to teach a dog not to bite, but you will need to consult a professional trainer to figure out why your dog is biting and to design a training regimen to counteract this reason.
You don't. That would be extremely irresponsible behavior. If you don't know any better than to attempt to do something like that, you should give your dog over to a Boxer Rescue league or the Humane Society.
Any dog can bite a stranger. It's up to you to train it not to.
If you want to train a dog to bite, you should not own it. Period.
dont spank the dog thats cruel, just tell it "no" thats what i did and it worked for me
It also depends how you train the dogs, but German Shepherds are very fierce dogs.
Certainly.
Take him to the doctor.
Of course! There are millions of dog bite/ attacks each year in the United States.
Do you Mean A rescue dog That was rescued from a shelter or a dog to rescue people
No. With consistency and proper training methods, tools and rewards, a 3 year old dog is sometimes easier to train than a puppy.
to train go to a professional trainer and take their tips
Information on the training of search and rescue dogs can be found on the website of the Ohio Valley Search and Rescue team. On the site there is a brief overview of how they train their dogs.