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. Author manuscript; available in PMC: 2015 May 8.
Published in final edited form as: Expert Rev Vaccines. 2009 Sep;8(9):1251–1276. doi: 10.1586/erv.09.77

Table 9.

US livestock industry in 2007 according to the US Department of Agriculture.

Industry Amount produced Number of animals Economic value Ref.
Beef 30 million tons of meat 104.8 million US$89 billion [215,216]
Dairy 185.6 million tons of milk 9.25 million US$35.5 billion [215]
Poultry 40 million tons of meat 806 million broilers
42.5 million layers
US$35.1 billion [203,215]
Pork 22 million tons of meat 62 million US$5.5 billion [203,215]