got some older one's doing o.k.,had a mate down a while back to pick up another one,he is happy with the bitch he had a couple of year's back,say's she doing a good job for him.(gave him a dog to go back home with).another mate just had a bitch to try out after he'd seen my boy do a bit (he's working one already,not out of mine).i've had some of my older bitch's go up the beam (lighter on their feet,no lurcher though)some make the grade some don't,just like any other breed,alot is down to the man behind them,they're getting there,take's time. some have taken them on for the agillity side of t