HoustonChronicle.com -- http://www.HoustonChronicle.com | Section: Political news March 23, 2006, 2:36PM Meatpacker Sues Feds Over Mad Cow Test By LIBBY QUAID AP Food and Farm Writer © 2006 The Associated Press WASHINGTON — A Kansas meatpacker sued the government on Thursday for refusing to let the company test for mad cow disease in every animal it slaughters. Creekstone Farms Premium Beef says it has Japanese customers who want comprehensive testing. The Agriculture Department threatened criminal prosecution if Creekstone did the tests, according to the company's lawsuit filed in U.S. District Court in Washington. [snip] It would cost about $20 per animal to...