Aggressive 2.5 year old Great Dane Male

I rescued a 2.5 year old Great Dane recently who is a sweet heart at home but has taken to guarding me. He's showing aggression (teeth baring, growling, barking, excessive pulling) against other dogs primarily and people that approach him. He tends to be fine if people approach slowly and let him smell but he can still growl and bark. He is much less aggressive when he can't see me so this along with the fact that he has separation anxiety with me has led me to believe he's guarding. Giving "no" commands and attempting to redirect his attention hasn't helped in the slightest and due to his size I'm not entirely sure what to do. Behavioral correction seems like the only course of action but Great Danes are incredibly sensitive by nature and just a short walk with a choke collar after I had to wrestle him to the ground so he wouldn't attack another dog, left him in a funk for days. He has a great personality so I would hate to upset him like this but I refuse to be an irresponsible dog owner that allows aggression. I've contacted trainers but I'm having a hard time getting responses. Any suggestions of things I can do to stop the growling and barking when he's with me would be greatly appreciated

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Mar 03, 2018
Nothing In Life Is Free
by: Adam G. Katz

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.

All the best,

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

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