I canny believe how far people go to train a lurcher When they are too young to chase quarry, all you want to train them is to take simple commands, jump and retrieve a ball. Once they can go into the field then you can teach them all the other good things which usually means the early work like retrieve, stay, etc goes out the window anyway lol.
im talkin bout a pup of around 10 months running out to a dummy with cats eyes sewn onto it( thats not going to run away) to retrieve it, i do this in an area where i know there is no quarry like my local playing feilds and is treated as a game