slaughter bison that leave  the park boundaries and give the maet ,hides and other producer to those in need .Giving the meat hides and other to those in need . Slaughtering bison. injecting wild bison with vaccine .vaccine may not  work .  cattle can get brucellosis .The bison might stay in the park .Hunting the bison may leave the park would endanger all the bison . other could help the bison. other could endanger all the bison.