FILE - In this July 14, 2011 photo, an underweight longhorn stands in a field near Stoneham in Grimes County, Texas. The announcement Tuesday, April 24, 2012 that mad cow disease was spotted in a ... more 
FILE - In this July 14, 2011 photo, an underweight longhorn stands in a field near Stoneham in Grimes County, Texas. The announcement Tuesday, April 24, 2012 that mad cow disease was spotted in a California cow drew a rapid response this week from the beleaguered American beef industry, which has been enduring one crisis after another. The severe drought in the Southwest cut cattle herd numbers to their lowest level in more than 60 years. (AP Photo/Austin American Statesman, Jay Jenner) AP MEMBER, ONLINE AND NEWSPAPERS ONLY MANDATORY CREDIT: NO MAGS, NO SALES, NO TV less 
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Associated Press | Photo By Austin American Statesman, Jay Jenner
Thu, Apr 26, 2012 3:16 AM EDT