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珠海市部分注册猪场日本脑炎调查研究 预览 被引量:3

Sero-epidemiological Survey on Japanese Encephalitis at Pig Farms Registered in Zhuhai
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摘要 [目的]了解珠海市部分注册养猪场猪群和从业人员的日本脑炎病毒血清抗体水平,预测人群日本脑炎的流行趋势。[方法]采用酶联免疫吸附法(ELISA),猪群检测血清IgG抗体,人群检测血清IgM抗体。[结果]2005年从珠海市的4个注册养猪场采集了1318份猪血清进行了日本脑炎病毒血清IgG抗体检测,结果抗体阳性率为37.1%;不同年龄段的猪群阳性率不同,分别为幼猪39.4%;中猪46.3%;成猪39.5%以及大猪30.3%。幼猪、中猪、成大、猪在不同月份血清抗体阳性率各不相同,幼猪群7月份阳性率稍高(52.3%),6月份次之(46.3%);中、成、大猪均为6月份阳性率高,分别为74.7%和43.5%。4个养猪场132名从业人员未能检出日本脑炎IgM抗体。[结论]研究结果表明养猪场猪群存在着日本脑炎病毒的隐性感染或曾经感染过,但感染率不高。应采取积极的预防措施,防止人群和猪场日本脑炎的发生与流行。 Objective To investigate the immune level of Japanese encephalitis(JE) in pigs and workers at 4 pig farms, and to provide scientifical evidences for prevention and controll the Japanese encephalitis. Methods Serum IgG antibody of pigs and IgM antibody of workers on 4 pig farms was tested by ELISA. Results Epidemiological survey including 1 318 pigs and 132 workers was undertaken during March to September 2005. The total positive rates of JE IgG antibody of pigs were 37.1%.There were significient different positive rates in year old, 39.4% of 1 month old pigs, 46.3% of the 3 month old pigs, 39.5% of the 5 month old pigs and 30.3% of over 6 month old pigs respoctively. The positive rate of 1 month old pigs (52.3%) in July was higher than that of in June(46.3%), while 3 month old pigs (74.7%) and 5 month old pigs (43.5%) were higher in June. IgM antibody of works was negative at farms. Conclusion The natural JE infection in pigs have occurred, it is possible to spread the JE virus in the natural environment in Zhuhai, It is necessary to prevent and control the Japanese encephalitis.
作者 马洪波 谭华 孙虹 姚若东 杜坚 林继灿 曾新宇 王遇春 Ma Hongbo, Tan Hua, Sun Hong (Zhuhai Entry-Exit Inspection and Quarantine Bureau,Zhuhai 519010,China)
出处 《中国国境卫生检疫杂志》 CAS 2007年第3期 142-144,共3页 Chinese Journal of Frontier Health and Quarantine
基金 国家质量监督检验检疫总局科研项目(2006IK179)
关键词 脑炎病毒 日本 血清学 养猪场 从业人员 Encephalitis virus,Japanese Sero-epidemiology Pig farms Workers
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