饲养场对环境的污染事件可追溯到17世纪,早在1611年英国的某法庭就受理过养猪场气味污染的案例。然而,饲养场严重污染环境,以至形成公害却是近30年的事。社会经济的发展,人们对畜产品需要量的增加,促进了畜产业的发展。50年代后,世界各国饲养场规模迅速扩大,畜产业发达的国家出现了上万 The environmental pollution incident at the farm dates back to the 17th century. As early as 1611, a court in the United Kingdom accepted the odor pollution from pig farms. However, it has been almost 30 years since farms pollute the environment and even form public hazards. Socio-economic development, people’s demand for livestock products increased, and promoted the development of livestock industry. After the 1950s, the scale of farms in various countries in the world expanded rapidly, with tens of thousands of countries with developed livestock industry