Thanks for the additional information. It is helpful.
Basically your girl was the alpha in the house. When you brought in the husky, she became the most logcal choice for alpha dog since she was not only larger, stronger and most dominant but also breeding. It is a pretty good thing that Athena has not hurt the poodle even though she is clearly already the alpha since the poodle is rolling over in a submissive manner. Sometimes the former alpha dog will not submit to the new alpha dog and then you get really bad fights with serious injuries. So I am so glad they worked the issue out for the most part themselves.
Right now I think that Athena feels the need to remind your poodle that she is the boss by making her submit and the grabbing her leg and pulling her around. As the boss, Athena gets to do what she wants for the most part and the poodle has to accept Athena’s rules. However, the human are the ultimate boss and the dogs should defer to them.
It makes it easier if the humans acknowledge the change in alpha by feeding Athena first, giving her attention and even letting her out first. If you show the poodle attention before her, she will take that as the poodle allowing you to give her affection and end up reprimanding the poodle for it. So the best thing is to give the alpha everything first. It makes life easier in the long run.
Now you should also obedience train Athena. It should be formal daily training but doesn’t have to be a class. It does have to be done around the same time every day and you need to focus on one command until she obeys the first time every time. The following site is helpful in helping owners train their dog. Be sure and click on the link to the page on obedience at the bottom. and links on subsequent pages leading to detailed instructions.
Training works best if you train at least 30 minutes a day (two 15 minute sessions). I would start making your dog work via the Nothing in life is free program (NILF). It is outlined below.
Since she really isn’t hurting the poodle I hate to not let them interact at all, so try and use the commands to stop the behavior. Perhaps teach Athena the leave it command and use that to stop the dominate behavior from going too far. Here is a site that helps teach the command. Once she knows it you can use it to get her to “leave” the poodle.
However, you can train them not to interact. Both dogs should be leashed and if one dog even looks at the other dog, a correction should be done. Any sign of aggression including a prolonged look, hair raised on the shoulders, a growl or even a stiff legged walk, should be corrected. A correction is a quick tug of the leash and a firm low toned "NO". Once you have done this couple of times, you should notice the dogs ignoring each other. When that happens, you will want to reward them for the desired behavior. Again, use tasty treats like the hot dog slices. This teaches the dogs that you WILL not tolerate fighting in YOUR pack. A basket style muzzle will also prevent bites but still allow interaction. Remember a large dog can still seriously hurt a small dog if they jump them in the wrong spot.
I also think that Athena needs two walks a day and they should be at least 30 minutes of fast paced exercise. This will help tire her out and she won’t be so focused on controlling the poodle. In addition, find a playmate for Athena. She needs a male dog of similar size and age to play with. This will give her an outlet for the energy she has and then she won’t need to be playing with the poodle since the dragging of her by the leg seems more like a play behavior than aggression. Finding playmates can often be accomplished at a training class, so that might be something you want to do just to find a good playmate for her.
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