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六六六和DDT是两种有机氯农药,长期以来被广泛用于杀灭农作物虫害,因而使农副产品受到普遍污染。家禽、家畜摄取被污染的饲料而把农药残留体内,这种有害物质通过食物链转移到人的机体里,已成为举世瞩目的农药“公害”。Kraybill认为:由各种环境污染所引起体内的有机氯农药残留中,来自食物的约占85%。为此,我们于1976～1980年对本省5类16种农副产品、人乳、人体脂肪(胎儿脂肪)、胎儿脑组织进行了调查,了解我省有机氯农药的污染状况。
BHC and DDT are two organochlorine pesticides that have long been widely used to kill crop pests and thus have generally contaminated agricultural and sideline products. Poultry and livestock take contaminated feed while pesticide residues in the body, the harmful substances through the food chain to the human body, has become the world’s attention “pesticide” pollution. According to Kraybill, about 85% of the organochlorine pesticide residues in the body are caused by various environmental pollution. To this end, we conducted a survey on 16 types of agricultural and sideline products, human milk, human fat (fetal fat) and fetal brain tissue in 5 categories in our province from 1976 to 1980 to understand the pollution status of organochlorine pesticides in our province.