EAST WARREN, VT - MARCH 23: A US Federal Agent stands guard at the entrance to a small sheep barn as the USDA prepares to seize 126 Beltex and East Friesian sheep, suspected of having a strain of mad cow disease, from the Faillace family farm, 23 March, 2001, in East Warren, Vt. (Photo credit should read STEVEN E. FRISCHLING/AFP via Getty Images)
