1996年以来,英国饲养的大约15万头牛感染了疯牛病,欧洲国家十分恐惧,纷纷禁止英国的牛和牛肉进口。除英国以外,已经有十个国家和地区发现了疯牛病。一时间闹得人心惶惶。什么叫疯牛病呢?牛得了这种病就像发疯一样,烦躁不安,肌肉震颤,变得好斗,无法控制自己的动作,活动失去平衡,病牛 Since 1996, about 150,000 cattle bred in the UK have been infected with BSE. European countries are terrified that they have banned British cattle and beef imports. In addition to the United Kingdom, mad cow disease has been found in 10 countries and regions. For a time, people feel panic. What is mad cow disease? Cow got the disease is like crazy, irritability, muscle tremor, become aggressive, unable to control their movements, activities out of balance, the cow