BSE Alert: Japan Finds 31st Case Of Mad Cow Disease Found (CattleNetwork.com) TOKYO (AP)--Japan’s Health Ministry said Friday it has confirmed the country’s 31st case of mad cow disease in an animal. Tests on an 84-month-old Holstein showed the cow, born at a ranch on Japan’s northernmost island of Hokkaido, was infected with the fatal illness, it said. [News Source]