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中文摘要：
目的了解河南省商丘地区猪的旋毛虫自然感染情况。方法在河南商丘某县农村的3个生猪屠宰点,收集屠宰猪的膈肌样本,分别应用压片镜检法和人工消化法对肌肉样本进行旋毛虫检验。结果 273头屠宰猪均为圈养猪,肌肉样本应用镜检法与消化法的幼虫检出率分别为0（0/273）与3.30%（9/273）（χ2=7.230,P〈0.05）,阳性肉样的平均每g肌肉虫荷（larvae per gram,lpg）为0.48。结论河南省商丘地区农村圈养猪的旋毛虫感染率较高,但感染度较低;在旋毛虫病低度流行区应使用消化法对猪肉进行旋毛虫检验。
英文摘要：
To investigate swine Trichinella infection in Shangqiu area of Henan Province,a total of 273 diaphragm samples were collected from the pigs slaughtered in 3 abattoirs in villages of Shangqiu,and examined for Trichinella larvae by direct microscopic examination and artificial digestion method,respectively.The 273 slaughtered pigs were indoor-raised.The detection rate of Trichinella larvae in meat samples was 0%（0/273） and 3.30%（9/273）,respectively（χ2=7.230,P0.05）.The mean larvae per gram（lpg） of the infected pork samples was 0.48.The prevalence of swine Trichinella infection in Shangqiu of Henan was high with low level of infection and the digestion method should be applied for inspection of Trichinella in pork in low endemic area of trichinellosis.
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