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囊虫、旋毛虫和弓形虫病均系人畜共患性疾病,各地猪群中存在着不同程度的感染。现今,前两者为屠宰时的常规肉检项目,后者尚未列入肉检日程,在北京地区,对较大样本的猪群同时进行该三种寄生虫感染的血清学调查尚属首次。血清标本采自北京食品公司所属各肉联厂,总计1 062份,囊虫的检测采用北京热带医学研究所的SPA-ELISA方法和试剂,猪血清稀释度为1:200 OD≥0.16者判为阳性。旋毛虫和弓形虫的检测均采用四川
Cysticercosis, Trichinellosis and Toxoplasmosis are zoonotic diseases, pigs in various parts of the existence of varying degrees of infection. Nowadays, the first two are routine meat inspection programs at slaughter, the latter not yet included in the meat inspection schedule. For the first time in Beijing, the serological investigation of the three parasite infections in a larger sample of pigs is the first. The serum samples were collected from all meat factories affiliated to Beijing Food Company, for a total of 1 062 samples. The detection of cysticercosis was performed with the SPA-ELISA method and reagents of Beijing Institute of Tropical Medicine, and the dilution of pig serum was 1: 200 OD≥0.16 Positive. Trichinella and Toxoplasma gondii detection are used in Sichuan