上海市畜牧部门将为猪、牛、羊等畜类建立档案。牛、羊实行一畜一标一证，猪实行一猪一标、一窝一证。日前，《上海市动物免疫标识管理办法》出台，并将于2002年元月1日起实行。据了解，全市现在规模化畜牧场1000多家，2000年全市共出栏三元杂交瘦肉型猪392万头，优质肉牛3万头 Shanghai Animal Husbandry Department will establish a file for pigs, cattle, sheep and other livestock. Cattle and sheep implement a standard one livestock, pigs implement a standard pig, a nest of a card. Recently, the Shanghai Municipality on the Administration of Animal Immunization Signs was promulgated and will be implemented on January 1, 2002. It is understood that the city is now more than 1,000 large-scale pasture in 2000, the city slaughtered a total of 3.92 million ternary hybrid lean pigs, high-quality beef cattle 30000