Unsterilized animals often exhibit more behavior and temperament problems than do those who have been spayed or neutered. Neutering makes pets less likely to roam the neighborhood, run away, or get in fights. Excuses, Myths . . . The truth is that most pets get fat and lazy because their owners feed them too much and don't give them enough exercise. It's better to have one litter first.
Medical evidence indicates just the opposite.
In fact, the evidence shows that females spayed before their first heat are typically healthier. Many veterinarians now sterilize dogs and cats as young as eight weeks of age. Check with your veterinarian about the appropriate time for these procedures. But my pet is purebred. So is at least one out of every four pets brought to animal facilities around the country.