Large catch dog 55+ lbs VS small catch dog 50 and below

Not sure if it applies the same way to dogs that are bred for the pit... but the guy I hunt with trains dogs for a living and he has broken many from dog aggression just by getting them focused on pigs. I was with him on one hunt, he had a pit that was a few years old and real dog aggressive. It was the dogs first hunt and he jumped on my cur and my pit within about 30 minutes of us getting out of the truck (we walk hunt). After getting a real good talking to with the butt stock of a rifle he kept about 50 feet away from us, just following. We got on a few pigs that day and he never jumped on a dog again.

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