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Serosurveillance of foot-and-mouth disease virus in selected livestock-wildlife interface areas of Tanzania

机译:坦桑尼亚某些牲畜与野生动物交界处的口蹄疫病毒的血清学监测

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Foot-and-mouth disease (FMD) is caused by a virus of the genus Aphthorvirus of the family? Picornaviridae . There is great scientific need for determining the transmission dynamics of?FMD virus (FMDV) by drawing more attention to the livestock-wildlife interface areas. A?variety of literature suggests that buffalo could serve as reservoir of FMDV in wildlife and?cattle. However, many FMDV research studies conducted on experimentally infected cattle?as carriers and groups of animal highly susceptible to FMDV (i.e. bovine calves) have shown?lower chances of transmission of the virus between carriers and the susceptible groups.?These findings underscore the importance of continued research on the role played by carrier?animals on FMDV transmission dynamics under natural conditions. The aim of this research?study was to determine FMDV infection status among buffalo and cattle herds in selected?livestock-wildlife interface areas. The sampled areas included Mikumi, Mkomazi and Ruaha?national parks, where a total of 330 buffalo and bovine sera samples were collected. Laboratory?analysis of the samples was done through the NSP ELISA technique using the PrioCHECK??FMDV NS Kit for detection of antibodies directed against 3ABC non-structural proteins and?confirming natural infections. Results showed that 76.3% of tested sera samples were positive?for FMDV. However, serotyping of NSP ELISA seroreactors with LPBE is yet to be done. This?information is important for further epidemiological studies towards developing effective?FMD control strategies.
机译:口蹄疫(FMD)是由家族口咽病毒属病毒引起的吗? Picornaviridae。通过更加关注牲畜与野生生物之间的接触区域,确定FMD病毒(FMDV)的传播动力学具有极大的科学需求。各种文献表明,水牛可以作为野生动植物和牛的口蹄疫病毒的贮藏地。但是,许多FMDV研究是通过对实验感染的牛作为携带者和高度易受FMDV感染的动物群(例如牛犊)进行的,这些研究表明,病毒在携带者和易感人群之间传播的机会较低。这些发现强调了重要性自然条件下载体动物对FMDV传播动力学的作用的持续研究。这项研究的目的是确定在选定的“家畜-野生动物”交界处的水牛和牛群中FMDV的感染状况。采样区域包括Mikumi,Mkomazi和Ruaha?国家公园,总共收集了330个水牛和牛血清样品。通过NSP ELISA技术使用PrioCHECK™FMDV NS试剂盒对样品进行实验室分析,以检测针对3ABC非结构蛋白和确认自然感染的抗体。结果表明,被测血清样品中76.3%为FMDV阳性。但是,用LPBE对NSP ELISA血清反应器进行血清分型尚待完成。该信息对于进一步流行病学研究以开发有效的FMD控制策略很重要。

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