Neutered dogs focus their attention on their human families. On the other hand, unsterilized, unsupervised males roam in search of a mate, risking injury in traffic and in fights with other males. They mark territory with urine and become more difficult to potty train. Indoors, male dogs may embarrass you by mounting furniture and human legs when stimulated. Dont confuse aggressiveness with protectiveness; a neutered dog protects his home and family just as well as an unneutered dog, and many aggression problems can be avoided by early neutering.
and can conceive for another week or so.
Did you know that a spayed or neutered animal will live a longer, healthier life?
The ASPCA strongly recommends spaying or neutering your pet as early as possible. Besides preventing unwanted breeding, neutering a male dog early, before six months of age prevents testicular cancer and prostate disease.
Spaying a female dog helps prevent pyometra (a pus-filled uterus) and prevent breast cancer; having this done before the first heat offers the best protection from these diseases
As long as puppy weighs more than 4 pounds and is 2 months old, he or she can be neutered or spayed. In fact, a female spayed before her first heat has one-seventh the risk of developing mammary cancer as an intact female.