Does altering a pit bull make them less dog aggressive?

It will have effect on your male pit. In many ways. I always recomend "fixing" a dog, as breeding needs to be controlled, and done by pro's.

However, do not expect "social grace" to be among the "changes" that you pit will undergo. Socializing is the key to eliminating dog aggression. Socializing being going to the dog park.

Lots of interaction with other dogs. Not the same dog, or two, but many. You will find this a little challenging, as most of my pits, 7 total now, seem to recognize their own breed, and will prefer to single out other pits for play.

And, another aspect of dog aggression would be "control." I started a hub, entitled "american stafford shire bull terriers," which highlights what you pit is looking for from you, in order to gain his respect, thus control over him.

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