蛋雞心包積水綜合征病原鑒定及組織滅活疫苗緊急免疫試驗
發(fā)布時間:2018-12-08 09:54
【摘要】:2016年4月,山東蛋雞養(yǎng)殖規(guī)模25 000余只的雞場發(fā)生了一種高致死率傳染病,病死率15%以上。通過臨床癥狀觀察、病理剖檢、血凝試驗、動物回歸試驗、PCR檢測及血清型分析,確診該病為禽腺病毒Ⅰ群4型感染所致。無菌采集該養(yǎng)殖場病死雞肝臟,制備組織滅活疫苗,對雞群進行緊急注射免疫,免疫接種后7d,病死雞數(shù)量開始逐漸下降,12d后完全停止發(fā)病死亡,最終成功控制了該病。應用制備的同源組織滅活疫苗緊急免疫雞群有效控制了禽腺病毒Ⅰ群4型的感染,為該病提供了一種可靠的防控措施。
[Abstract]:In April 2016, an infectious disease with a mortality rate of more than 15% occurred in the chicken farm of more than 25,000 layers in Shandong Province. Clinical symptom observation, pathological examination, hemagglutination test, animal regression test, PCR test and serotype analysis showed that the disease was caused by Avian adenovirus group 鈪,
本文編號:2368150
[Abstract]:In April 2016, an infectious disease with a mortality rate of more than 15% occurred in the chicken farm of more than 25,000 layers in Shandong Province. Clinical symptom observation, pathological examination, hemagglutination test, animal regression test, PCR test and serotype analysis showed that the disease was caused by Avian adenovirus group 鈪,
本文編號:2368150
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