I WOULD REMOVE ALL BEDDING AND USE SHOP VAC TO VACUME THE COOP OUT REAL WELL TO REMOVE ALL EGG PODS CLEAN AND DISENFECT AND SPRAY OR USE A NON TOXIC PEST CONTROL LIKE ORANGE OIL YOU CAN CALL FOR ADVICE FROM A PEST CONTROL PLACE . MAKE SURE IT IS NON TOXIC TO THE CHICKENS AND LET IT VENT OUT REAL WELL MAKE SURE ALL NEST BOXES ARE TREATED ALSO. IF THE EGGS FROM THE ROACHES ARE LEFT AND NOT KILLED THE ROACHES WILL HATCH THIS PROCESS WILL TAKE ALL DAY NEED TO START EARLY IN THE MORNING . REOLACE WILL ALL CLEAN BEDDING AND THEN USE DE TO CONTROL AFTERWARDS. GET ADVICE BEFORE USEING ANY PEST CONTROL CHEMICALS AROUND YOUR CHICKENS:cd