The brooders are all empty. The last of the chicks have been moved to the coops and the few quail we have left are in the quail condo. Time to sterilize the egg house. I believe in overkill. 1st Bleach to kill just about anything 2nd Ammonia (once bleach has dried) to kill cocci left behind 3rd Formaldehyde mixed with Potassium Permanganate to make a gas and then gas and fumigate.