How many times can a dog bite person before they have to be put sleep?

There is no set number of bites that automatically leads to a dog being euthanized. The decision to euthanize a dog is complex and depends on a variety of factors, including:

* Severity of the bite: A bite that causes minor injuries is very different from a bite that causes serious injury.

* Circumstances of the bite: Was the bite provoked? Did the dog have a history of aggression? Was the victim a child or an adult?

* Dog's behavior: Is the dog showing signs of aggression in other situations? Is it possible to rehabilitate the dog through training and behavior modification?

* Local laws and regulations: Some jurisdictions have stricter regulations regarding dangerous dogs than others.

* Owner's responsibility: The owner's willingness and ability to take steps to prevent future incidents is a major factor.

It's important to remember that euthanasia should be a last resort. There are many resources available to help owners manage aggressive dogs, such as professional trainers, behaviorists, and animal shelters.

If you are concerned about a dog's behavior, it is best to consult with a qualified professional. They can assess the situation and provide guidance on the best course of action.