FAIRLESS HILLS, PA - DECEMBER 26:  A side of beef is shown with the USDA inspection stamp at Wilson's Blue Ribbon Meats December 26, 2003 in Fairless Hills, Pennsylvania. Authorities announced that they have quarantined the offspring of a cow that tested positive for mad cow disease. The Bush administration has said that the nations food supply is safe.  (Photo by William Thomas Cain/Getty Images)