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杰瑞·托瑞森教授 美国明尼苏达大学
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11月2-4日,第六届李曼中国养猪大会在南京举办,Pig333有幸在此与大家分享权威养猪专家给大家带来的精彩讲座。
目前PRRS常用的诊断方法主要有以下四种。第一种方法是病毒分离鉴定,适用于血清、精液、不同组织、口腔液体样本的检测,可对病毒进行测序。第二种方法是ELISA检测,用于血清、口腔液体样本,该方法快速、成本低,可在猪群水平监控。第三种方法是PCR,检测样本包括血清、精液、口腔液体,可测序。第四种方法是免疫组化,能对血清、精液、不同组织、口腔液体进行检测,但是与其它方法相比较不敏感。PRRS诊断常见的样本有组织、精液、血清、口腔液、空气和处理猪时的液体。以往有文献报道从精液、口腔液和血拭子中检测PRRSV,但是其敏感性都有局限。产房中PRRS诊断面临的挑战是发病率偏低,这时就需要更敏感的方法检测蓝耳病毒;需要快速和廉价的采样方法。在猪场中,仔猪去势和短尾是日常工作,可将其处理成液体样本。另外环境取样被证明是检测某种疾病的敏感手段。
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更多精彩的专家讲座PPT会在这里与大家分享,请大家持续关注。
来源:李曼大会,杰瑞·托瑞森教授 美国明尼苏达大学
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