I have 6yr old Chihuahua who I adopted from the animal shelter. He was neutered and ever since he has been sad and in pain...but now we have started to notice that he is aggressive and doesn't like to be told what to do and if you become stern with him he becomes scared and then aggressive and has...

My 5-month-old Staffordshire Terrier is being aggressive towards the kids in the house (6 kids - ages 4 to 18), especially around feeding time. She has been aggressive towards my wife and I in the past, but not within the past month or so. She has not bitten anyone but will sometimes growl (in an extremely...

She is not just aggressive at feeding time, she is also aggressive with her toys and the kids toys. I don't want the kids to walk around scared of her at home, they are scared to even take one of their shoes from her because she growls at them so viciously. I don't want to have to find her a...

I adopted my lab in March 2007. He's been excellent with my parents dog (cocker spaniel), and other dogs that are around his size, like other Labs, Goldens, etc. He's never gotten into a dog fight, and has never been bitten, and has never bit. We've noticed though that when there's a...