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从2002年开始,农业部农村经济研究中心对“全国农村固定观察点”所在的320个县农产品产地价格采集系统每月中旬进行一次定点调查。活猪和猪肉的价格均采自10个主产省、区(四川、湖南、河北、江苏、河南、山东、安徽、湖北、广东、广西)的115个县。活猪价格采自这些省、区农民所
Since 2002, the Rural Economic Research Center of the Ministry of Agriculture conducted a fixed-point survey on the mid-month of each month in the price collection system of agricultural products originating in 320 counties where the “Fixed Rural Observation Points in the Country” is located. The prices of live pigs and pork are collected from 115 counties in 10 major provinces and autonomous regions (Sichuan, Hunan, Hebei, Jiangsu, Henan, Shandong, Anhui, Hubei, Guangdong and Guangxi). Live pig prices are collected from farmers in these provinces and autonomous regions