Schools stop use of beef from slaughterhouse under investigation (Atlanta Journal-Constitution) Georgia schools have put on hold 178,000 pounds of beef that came from a California slaughterhouse under federal investigation for allegations that it processed cattle at higher risk of mad cow disease. Those animals, known as downer cattle because they are unable to walk, are banned from the food supply. The investigation so far has found no evidence that downer cattle were processed into beef ... [News Source]