Hello all - I know this isn't necessarily a chicken issue or particularly a predator issue, but I know that this forum is really active and many of you have LGD's. I'm hoping that someone can offer some suggestions, sage advice... I realize that all dogs need to work out their hierarchy...and that some fighting would be expected when introducing a new dog into the family, but this seems to be a little more than just basic working things out. They are really aggressive toward one another. Here's the basic situation and you can tell me that I'm worrying too much, that's okay. We have an almost 9 year old Rottie, we live in the mountains and have a lot of trouble with predators. She has become an amazing protector, but she's getting old and has hip issues. She sees not only the family, but also our animals as hers. She actually herds the chickens - it's really funny to watch. She has always been a house dog. With the recent addition of mountain lions coming down on the property and the already big packs of coyotes consistently trying for my flocks, we felt it was important to get an LGD and give her a partner. He will be an outside dog and will live with our birds and goats and any other animals we get as a true LGD. So, we got a new boy, from really good lines who all were used for and proven as protection dogs (Colorado Mountain Dog)...unfortunately he was bought by city folk and lived in a small yard. He was returned because the family realized he really needed space and a job to do...so no personality flaws or issues. Good for them to wise up and realize the mistake they made! He's just 1 (as in he turned 1 last week) and was back with the original breeder for a time on her working ranch before she felt we would be a good match for him. He responded very well to the goats, horses, chickens, ducks and geese she had and feels with a little work we can bring him back as a true LGD, especially since he is still young. He's wonderful! FYI: He did fight a little bit with her two dogs, but both of hers were clearly more dominant. My female has always been the submissive one every time we've socialized her with other dogs, but with the coyotes she's pretty aggressive and so far has chased them off every time. Apparently, he has typically been more submissive to other dogs too. So now, I have these two dogs both typically near the bottom of hierarchies, fighting a lot - it's been several days of consistent fighting. She typically initiates the fighting...almost always when we are around the two of them. They are not fighting unless one of us are there. I think...she's the dominant one, but he's still trying. She got hurt yesterday, he got her ear and drew blood, but she's not giving in even so. Today, twice he laid down in her presence after they were fighting. How far and how long do we allow them to fight it out? I also need some suggestions to help them with the hierarchy knowing that they have different jobs and will live differently. She herds and protects, but he will live with and protect...giving my animals a voice too. Is there anything I can do to help with them? Meaning, can I help with giving preference to her as more dominant dog? If she truly is? Do I need to wait and see who fully "wins" first? I would really appreciate your thoughts., especially because we are not dealing with typical dogs just living in the same household. BTW: they are both neutered/spayed.