Hello, We just adopted a 6 year old cattle dog this year and after 2 1/2 months, we are struggling with his dog-aggression. When we adopted him, his Petfinder profile said he "loved dogs" which I never thought to question, but after some research I believe he has never been around dogs too frequently and did not have much contact at all for the last couple years. I'm concerned that he really wants to attack other dogs (doesnt seem fear based at all), and unfortunately we live in a complex filled with dogs around every corner and popping out of the elevators in the lobby. It has been very stressful to be constantly on guard - and just when I think we made good progress, a dog pops out the door in our face that I could not foresee - ahhh!! He is a very hard-headed cattle dog, and Ive learned that leash corrections don't bode well with him (loses his trust in me fast and will get bitey in general towards me). On the plus side I also have found he can be easily distracted with treats and he has now been able to sit even when he has begun barking. If I haven't been able to catch him in time, then I will make his sit right and usually he will. I've also learned to avoid high intensity encounters if possible. We dont know many people with dogs unfortunately, but my sister has a dog that he has met twice. The first time he barked/lunged/snarled at her, but calmed down and was distracted once we were on the hiking trail. The second time we met on a bike trail and initially he barked but he got over it fairly quick and they were able to eventually walk side by side (yay!) on the walk, not really interacting much, but not much aggression either. That was a promising sign. Other than that though, I have never seen him happy to see a dog. Usually he reacts/barks, or at best he sniffs them if they meet and he quickly turns away. Sometimes he will sniff and then snarl/lunge. Im considering seeing an animal behaviorist if this doesn't make steady progress because I want to know if he is simply going to always be an aggressive dog that I cannot expose to other dogs or drop off at the day care if I ever need to. We just started a basic obedience class this week, to try to desensitize him but it was a chaotic environment so Im not sure if that was the right move. Ive read from various books and sites, and I really liked the thread here for 7 Things to help dog-aggressive dogs. I was wondering if anyone here may have any opinions on whether we are stuck with an unsocial dog considering his age and history?