Source: Chris and Yoon Choi/Flickr CC BY-NC-SA 2.0 In North America, between 70 and 80 percent of dogs are spayed or neutered. This is done to prevent the overpopulation problem that has forced many ...

In North America, between 70 and 80 percent of dogs are spayed or neutered. This is done to prevent the overpopulation problem that has forced many shelters to euthanize countless dogs. It is also ...