Re: Advice please! Adopted dog is aggressive toward kids
I'll be the voice of dissent. You've had her a WEEK. She's still adjusting. We've had our 6-month-old puppy 10 days, and I have a 5 and 6 year old. So I get where you're coming from. I told the kids from day 1 that Zoey has to adjust to being in a new home with new people. I told them if she ever growls, that that is her warning sign to back off. It just means she doesn't like what you're doing. It doesn't mean she's aggressive. And she has growled once at DD. DD had pinched her ear a little too hard when she was petting her (she has silky floppy ears). DD backed off and Zoey went back to sleep.
I don't think you've 'ruined' the dog. But I do think you're giving up too easily. You need to give her space and time to adjust. We keep a crate open at all times if Zoey wants to go in there (though she usually just jumps in my lap). Dogs will also attach to one person and tend to be protective of them. So if she's with you, and the kids run towards you, she may think they're attacking. And I'm sure you're already doing this, but never leave a dog alone with the kids.
Stephanie, Mom to Dylan Vinh (3/06) and Madison Thi (7/07)