We have not worked on leave it yet. I guess I can try and see if that helps. My husband is a police officer and the k9 handler thinks we should try an e-collar. I am willing to try just about anything but I am going to exhaust all other options before going to an e-collar. Hopefully something works. The hardest part of this is the stress my cats are under. I really hate making them parade around Magnus when he is acting like a loon. And what makes it worse is that they are very unhappy living in the basement. It is not a long term solution. I need this dog to get along with the cats.
In the meantime, I am going to watch some dog training videos on Youtube and see if we can't work on leave it. Thank you for getting back to me.