The document discusses ensuring a quality environment for new broiler flocks through proper sanitation. It emphasizes the goals of sanitation which are to have clean conditions to minimize disease and promote performance. A good biosecurity program is important to prevent disease introduction, including farm location, human/animal disease transmission prevention, and farm/house cleaning. The plan of action outlined includes cleaning brooders, removing litter, washing, cleaning feed/water systems, and disinfection. Methods like windrow composting, dust removal, decaking, washing down equipment, and adding litter amendments are described for sanitizing the poultry house before new birds arrive.