OK, I think I go the story - Major the collie x is going to live with your daughter and her 4 year old lab, Bella. Major is behaving like a typical puppy and wants Bella to play with him the whole time. Because Major hasn't been mixed with other dogs, he cannot read Bella's signals and doesn't understand that when Bella shows her teeth or dives at him, that this isn't play - it's Bella telling Major to get lost. Is that about right?
yes, and, of course, Bella is making very sure that Major knows that she calls the shots and she's the big cheese in her terriority. And Bella has no concept what that means. So how we can help these two, who I feel with Bella's love of play with other dogs outside of her home, finally become buddies.