''Well maybe hes willing to try and put enough effort and time in to fix the solution''
He obviously hasnt done enough so far to have it stock steady so i dont think he'll manage such a mammoth task.
Im not into critisising people,we all have our own ways of doing things and sometimes it works and sometimes it doesnt,but if the chap had concentrated on breaking the dog to stock BEFORE it was ever encouraged to hunt and catch another animal.Just make it plainly obvious under no circumstances to the dog that stock chasing will be tolerated,if you have to inflict a belt or two to get your