Aggressive Jack/Rat mix

by Cassie

I have a 3yr old, neutered male, Jack/Rat mix. I have had him since a pup. For the last 2 years he has developed behavior problems. I dont know what caused the issues because we didnt make any life changes at the time he developed them. I have spent over $600 in training that is not working and I dont know what else to do.

He will flip out and start barking/lunging/trying to bite my husband when he enters or leaves a room. Sometimes he will run across the room and jump on the couch to try and attack. The worst times are when my husband gets off the couch and goes to the bathroom or kitchen, or comes back and tries to sit on the couch next to me. He also is bad in the mornings when my husband leaves the bedroom to use the bathroom.
But he is very cuddly with my husband other times. I have tried rewarding him when he stops, I have tried squirt bottles, loud noises, etc to break his fit. I dont know what else to try.

Any help would be appreciated.

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Nov 20, 2014
Leadership Issue
by: Adam G. Katz

You have a leadership issue.

And you're making the assumption that he "knows" he's doing something wrong. Which is debatable. But even if he does... it begs the question: He knows it's wrong, but he looks you in the eye and does it, anyway?

You need to establish yourself as the pack leader. The way we do this is by starting with the "Nothing In Life Is Free " program, and also correcting her for the aggression with either the pinch collar or the e-collar.

What you're currently doing is simply not a motivational way to correct the dog.

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Employ the "Nothing In Life Is Free"
approach, so that your dog starts to view you as the "pack leader." If your dog doesn't see you as the leader, then your corrections will be meaningless. So, if you're doing subtle things (inadvertently) to undermine your leadership role around the house-- it will be counter-productive.

Adam G. Katz is the author of, "Secrets of a Professional Dog Trainer!" -- which you can find at

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