The United States is the world's largest poultry producer and the second-largest egg producer and exporter of poultry meat. The annual poultry meat production in the U.S. totals over 43 billion pounds (USDA, 2009). In this 20 billion-dollar industry, about 80% of the production consists of broiler meat while turkey meat accounts for most of the remainder (USDA, 2010). According to the USDA 2007 Census of Agriculture, there are over 320,000 documented poultry farms nationwide, and each year millions of tons of poultry litter/manure are generated through these facilities
