how old is the dog?the only tip i can give you is to get the dog out in the field with you.once youve got the ferrets to ground ,keep the dog on a lead and just keep him/her next to the sett and let it hear whats going on.once it sees rabbits bolting and gets used to their scent it should hopefully all fall into place from there.some dogs take to it naturally and some take a bit of time.what ever you do DONT force the dog into marking or it will mark every sett wether occupied or not. watch the dogs body language while its around the setts,if it does anything thats out of the ordinary it could