Bull adds nothing beneficial, apart from looking stockier and my muscly, does it make a faster dog? No does it make a stronger dog? Maybe does it have enough good qualities to justify having some in a lurcher? In my oppinion no! If your looking to add abit of fight to your dog then a good old beddy will be more than enough, plus you'll gain abit of nose and a decent coat, personally if you want an all round lurcher you can't go wrong with collie x either 1/2 or 3/4 bred. Or for coursing grey, saluki, bull adds nothing these days, the fight has been bred out of half of them. And tbh I think the