Summarize this article in one sentence.
Remove all of the birds and feed from the poultry house, and either sweep or blow dust from all fixtures onto the floor. Remove all of this litter with a wet-dry vacuum, and then soak all surfaces with a low pressure sprayer. Then wash every part of the building with a natural detergent and warm water.  Rinse away all of the detergent, and then air-dry the building. While you are cleaning, put the birds either outside in an enclosure or in cages. Disinfectants can be purchased from farm supply stores, and these are usually made from phenolic or chlorine compounds. Disinfectants are applied using aerosols, fumigation, or a garden sprayer. Always follow the safety and manufacturer’s instructions for the correct dilution and application of disinfectants. Load the birds into cages or crates that are fit for transportation. The size guidelines for travel crates and cages for chickens are 8 inches (20 cm) wide, by 12 inches (30 cm) deep, and 10 inches (25 cm) tall per bird.  Only transport healthy birds, as those that are sick or stressed are not suitable for travel. Crates need to be well-ventilated, upright, and have enough room for the birds to stand. Poultry cannot survive for longer than 8 hours without food or water. Check on the birds regularly throughout the journey to monitor them. Advertise your products, create a website, or sell your products at a local farmers market. Aim to make a connection with people, and look for gaps in the market. For example, perhaps free-range, organic eggs are difficult to come by in your area, which provides a good opportunity for you.  Generally the better your marketing, the more likely your poultry farm is to be successful. Advertising can be done through signs, billboards, flyers, vehicle signage, notices up in your community, or adverts in a local paper. You will need to keep production/technical records, as well as financial records. Some registers that must be included are wages for employees, building maintenance, equipment, feed, medicines, batches, and chick turn out and disposal.  Where applicable, all quantities, rates, units, invoices, and receipts need to be recorded. An accountant will be able to help you with your financial records.

Summary:
Clean the poultry house at least every spring to prevent disease. Disinfect the poultry house after every cleaning. Transport your birds safely to and from sale-yards and processing plants. Market your poultry farm to increase profit. Keep detailed records for all aspects of your poultry farm.