I have had a new puppy for about three weeks now and this morning was the second time my 6 year old american bull dog/pitt bull had attacked the same kind of puppy. To give some background info on the 6 year old dog, she used to be used for fighting years ago and was adopted after, we have had her for a year now and she has been great with kids of all ages. Now, we got the puppy and her biting the puppy has scared me since I have a 7 year old daughter who plays with my 6 year old dog all the time!! The puppy was not biting the older dog or anything when this happened. I would like some advice, my mom thinks the dog didn't mean it, but that is impossible since I seen it happen this first time. The puppy had only walked up to the dog and the dog bit her on hte nose, it is pretty deep now. I am afraid and don't know if this puppy is tramatized for it happenening twice. ANY ADVICE WOULD HELP!!! THANK YOU!