![]() ![]() ![]() For poultry operations, anaerobic lagoons are commonly used for layers in the South and Central U.S., often on operations that include egg washing. ![]() Operators may store liquid or slurry poultry manure in anaerobic lagoons-earthen structures which look like farm ponds. Belt systems are more common than scrape and flush systems, and nearly all newly constructed layer houses use belt systems. Belt systems collect deposited manure on a belt that runs continuously under the cages to a spreader for immediate disposal or storage. Scrape and flush systems remove manure mechanically by scraping or hydraulicly by flushing. In other caged bird houses, cages are suspended over a shallower space, and scrape, flush, or belt systems collect the manure more frequently. These types of houses are not commonly being built, but many are still in use. For poultry raised in high rise houses, cages are raised, and manure collects into deep stacks in a well-ventilated lower level. ![]()
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