United States Facts

  • There are 4 factory-farmed chickens for every single American.
  • U.S. hog factory farms added 4,600 hogs every day between 1997 and 2007.
  • U.S. factory-farm dairies added nearly 650 cows every day between 1997 and 2007.
  • Between 1997 and 2007, U.S. factory farms added 5,800 broiler chickens every hour.
  • U.S. industrial feedlots added nearly 1,100 beef cattle every day between 2002 and 2007.
  • The number of factory farmed broiler chickens doubled to 1.1 billion between 1997 and 2007.
  • The average size of U.S. hog factory farms grew by 42 percent to 5,144 between 1997 and 2007.
  • The average size of U.S. egg factory farms increased by half to 614,000 hens between 1997 and 2007.
  • The number of U.S. cows on factory-farm dairies nearly doubled to 4.9 million between 1997 and 2007.
  • The number of U.S. hogs on factory farms grew by more than a third to 62.9 million between 1997 and 2007.
  • The number of U.S. factory farm egg-laying hens increased by 24 percent to 266.5 million between 1997 and 2007.
  • The number of U.S. beef cattle on industrial feedlots grew by 17 percent to 13.5 million between 2002 and 2007.
  • Excess livestock manure applications to fields of crops is the fastest growing large source of the greenhouse gas methane.
  • There are more than one billion broiler chickens in the United States — more than three birds for every person in the country.
  • Nearly half of factory-farm egg-laying hens are located in just five states — Iowa, Ohio, Indiana, California and Pennsylvania.
  • The Government Accountability Office reported that the number of large livestock operations tripled from about 3,600 in 1982 to 12,000 in 2002.
  • A 2003 study found that living downwind from industrial hog operations reduced the property values of neighboring residential homes by approximately 10 percent.
  • Commercial confined livestock and poultry operations produce half a billion tons of manure each year, more than three times as much as that produced by the entire U.S. population.
  • The Government Accountability Office reported that storing large quantities of livestock manure on factory farms can emit “unsafe quantities” of ammonia, hydrogen sulfide and particulate matter.
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