well if you have years to go through the trial and error then good for you, but as you aint got the patience to read my replie properly then i doubt this very much... i said NI on ( ie nearly ) impossible!!!! but il bet any one that any attemt to breed grouse will have about a 99 percent fail rate... if it was that easy why do you think all these big high ground estates spend tens if not hundreds of thoushands of pounds per year, on labour, to burn heather, catch and worm the grouse, put out grit, kill vermin non stop, and the other endless list of habitat improvement that gets done, that th