Ingoring for the moment that intentionally shocking your dog is a form of animal cruetly, a wireless fence won't work on a dog that big. Especially since dogs that big either fall into 'working breed' or 'herding breed' or hound types, or a a mixture of any of the above. All of these dog types will ignore that kind of fence with sufficient motivation. For example, a husky will barge right through one of those if it is even chasing a *mouse*. Then the happy hunter will try to return home and be shocked on trying to cross the barrier. Most dogs will try at most a few times to come home, then be incredibly sad and try to find a different place to live.
Just out of curiosity, what breed is your puppy?
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Calling a person a dog is just about the worst insult I can think of. Dogs deserve better than that.
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