Isolation and Biological Characteristics of NDV from Pheasant
Zhen Liu
Abstract
Zhen Liu
Abstract
A strain of Newcastle disease virus was isolated from diseased pheasant.The results indicated that the isolate was pheasant ND virus by hemagglutination test(HA).Hemagglutination inhibition tese(HI) and virus meutralization test.The biological characteristics of the virus was determined by measuring the mean death time of chicken embryos(MDT),the intracerebral pathogenicity index(ICPI) and the intravenous pathogenicity index(IVPI) with the MDT,ICPI and IVPI of 76 8 h, 1 46 and 1 6 respectively.These characteristics seem to be different from those in poultry.
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A strain of Newcastle disease virus was isolated from diseased pheasant.The results indicated that the isolate was pheasant ND virus by hemagglutination test(HA).Hemagglutination inhibition tese(HI) and virus meutralization test.The biological characteristics of the virus was determined by measuring the mean death time of chicken embryos(MDT),the intracerebral pathogenicity index(ICPI) and the intravenous pathogenicity index(IVPI) with the MDT,ICPI and IVPI of 76 8 h, 1 46 and 1 6 respectively.These characteristics seem to be different from those in poultry.
Key concepts: Pheasant, Newcastle disease, Pathogenicity, Virus, Biology, Virology, Isolation (microbiology), Virus isolation