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猪圆环病毒2型感染的血清学调查与分析

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摘要 2004年1月~2005年12月我们用国产ELISA试剂盒,对湖北省部分规模猪场猪圆环病毒2型抗体进行了检测,共检测1816份血清,阳性402份,阳性率22.14%。其中哺乳仔猪148份,全部阴性,断奶仔猪733份,阳性82份,阳性率11.19%,肥育猪145份,阳性46份,阳性率31.72%,后备母猪310份,阳性72份,阳性率23.23%,经产母猪480份,阳性202份,阳性率42.08%。共检测猪场97个,血清学阳性猪场66个,占68.04%。对43份PCV-2阳性和94份PCV-2阴性的PRRS未免血清进行PRRSV病原学检测,PRRSV感染率分别为72.09%、12.77%,表明PCV-2感染会加剧猪群PRRSV感染;对77份PCV-2阳性和114份PCV-2阴性的PRRS已免血清进行免疫抗体检测,PRRS免疫合格率分别为32.17%、72.81%,表明PCV-2感染对PRRSV的免疫应答有明显的抑制作用。
出处 《畜牧兽医科技信息》 2006年第12期40-41,共2页 Chinese Journal of Animal Husbandry and Veterinary Medicine
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