I have two herding breed dogs and they do chase the cats, but not to hurt them, just to play with them. Now my RB kitty, Taz, wouldn't run from them so he was no fun for the dogs. Paizly and Jax do run so the dogs will chase, of course. Usually the cat finds a place up high that the dogs can't get to, or they'll just stop running then the dog just snifs them and walks away.

But you definitely want to just be very aware when they are together, as I still am with all my furkids.

Oh, and we'd love to see pictures of this puppy.