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3种方法检测猪O型口蹄疫母源抗体消长规律的研究 被引量:2

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摘要 为探究口蹄疫疫苗的最佳免疫日龄,明确猪口蹄疫母源抗体在体内的消长规律,良圻原种猪场在A猪场随机选取30头53日龄的保育猪,应用间接ELISA、液相阻断ELISA及间接血凝3种不同方法对其进行母源抗体的跟踪监测。结果显示,在53、63、83、93日龄,间接ELISA的阳性率都远高于其它两种监测方法,但3种监测方法的抗体水平都呈下降趋势,并在83日龄时抗体阳性率均下降至较低水平。通过试验初步确定首次免疫猪O型口蹄疫的最佳日龄为70日龄,且间接ELISA方法敏感性高于液相阻断ELISA及间接血凝。
出处 《养猪》 2015年第4期107-109,共3页 Swine Production
基金 国家现代生猪产业技术体系建设专项基金(CAR-36)
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