12 birds, 3 breeds, 4year old flock.
1st bird barred rock healthy all weekend, Monday fine in morning came home after work and she was hiding in corner of coop, lethargic, not eating or drinking,clear fluids coming from beak and nostrils,then began convulsing within twenty minutes and then...
Well if you are trying the deep cleaning method then rake it once a week and then add more bedding on top every couple of weeks or so. After about a year I remove everything down to the floor and start all over. Remember clean chickens are happy chickens.