Monday, March 27, 2006 Creekstone Farms Premium Beef, an organic meatpacking company based in Arkansas City, Kansas, filed a lawsuit against the U.S. Department of Agriculture (USDA) for what the company claims is threats by the USDA that it would face prosecution if it proceeds with plans to test nearly 100% of its beef for Creekstone Farms sues USDA for refusing to allow mad cow testing