BIRD Flu testing of chicken Flocks isn't much different than BSE random testing of Herds. Why is there such a Disparity between the 2 products or has somebody got more to loose.As Quoted ****Practically all the big ones are in it." Among the biggest companies in the industry are Tyson Foods Inc., Perdue Farms Inc. and Pilgrim's Pride Corp.

Just Guessing ,but it might be that  Caroline Smith DeWaal, food safety director for the Center for Science in the Public Interest. "But it's critical that USDA ensure that all chicken producers are complying with the same requirements."