1. Diseased cattle feed led to the spread of bovine spongiform encephalopathy, or mad cow disease. 2. It is apparently caused by feed supplements contaminated with prion-infected animal protein products from diseased cattle and sheep. 3. No cases of the new variant of CJD, nor any diseased cattle, have been reported in the United States. 4. Jacques Delors, former president of the European Commission, criticized Britain on Saturday for failing to kill off the first diseased cattle. 5. That meant for more than three years, farmers suspecting they had diseased cattle rushed them to market instead of destroying them without compensation. |