最近,报刊上有关英国疯牛病的报道闹得沸沸扬扬,因为该病不仅能扼杀牛羊等家畜的生命,而且还会威胁到人类的健康,已引起世界公众的关注,事实上它比人们预期的情况还要严重。1985年,在英国牛群中突然爆发了一种致命的脑病,称之为疯牛病。人们用显微镜观察死于疯牛病的牛脑,发现脑组织呈海绵样变化。英国在上世纪80年代 Recently, there has been a lot of the press coverage of BSEs in the UK because the disease has not only stifled the lives of livestock such as cattle and sheep, but also threatened the health of humans and has drawn the public’s attention worldwide. In fact, it is more than people expected Seriously. In 1985, a fatal encephalopathy suddenly erupted in the British herd, calling it mad cow disease. People under the microscope to observe the bovine brain died of mad cow disease, brain tissue was found sponge-like changes. Britain in the 1980s