Whistler was great first three weeks, I was not allowed out of sight. Now if he is busy I can hollar all I want and he will not come back, just looks at me, and sits down. I found walking away gets him moving back to me, but he will not return on a call, treat or no treat, he just seems to think he has better things to do.
I put it down to the fact that he is very strong willed and I just have to wait him out, If I do move its in the opposite direction from him.
Now we have a new baby collie so things are getting worse not better.
Viv