The U.S. Senate, on December 13, 2001, approved an amendment to the Senate version of the farm bill (The Agricultural, Conservation and Rural Enhancement Act of 2001) making it unlawful, with several exceptions, for a meat packer to own, feed or control livestock intended for slaughter.
McEowen, Roger A. and Harl, Neil E.
"Proposed Packer Ban on Livestock Ownership or Control,"
Agricultural Law Digest: Vol. 13
, Article 1.
Available at: http://lib.dr.iastate.edu/aglawdigest/vol13/iss9/1