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山羊关节炎─脑炎的研究 3.CAEV89-GB1026毒株的人工感染试验 被引量:1

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摘要 用CAEV89─GB1026培养物的澄清液及其超速离心的病毒悬液,经关节—静脉、关节、脑内和口服途径接种土种山羊19只。以琼扩检测其病毒抗体。感染羊,分别于接种后的第3、5、6和12周发生血清阳转。4只羊的抗体持续23周后宰杀,其他羊继续监测。感染羊血清与含犊牛血清的细胞培养液不发生沉淀反应,而与美国CAE、国产OPP和自制CAE琼扩抗原发生沉淀反应。部分羊于接种后5个月出现关节肿大。被宰杀感染羊的关节滑膜、肺脏、乳腹等出现CAE的特征性病理组织学变化,而对照羊则未见血清学和组织学变化。感染羊的关节滑液接种滑膜细胞单层,其培养液制成琼扩抗原,与感染羊血清又发生了特异性沉淀反应。
出处 《畜牧兽医学报》 CAS CSCD 北大核心 1994年第5期449-454,共6页 ACTA VETERINARIA ET ZOOTECHNICA SINICA
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