Experimental infection of duck origin virulent Newcastle disease virus strain in ducks

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Experimental infection of duck origin virulent Newcastle disease virus strain in ducks

BACKGROUND Newcastle disease (ND) caused by virulent Newcastle disease virus (NDV) is an acute, highly contagious and fatal viral disease affecting most species of birds. Ducks are generally considered to be natural reservoirs or carriers of NDV while being resistant to NDV strains, even those most virulent for chickens; however, natural ND cases in ducks have been gradually increasing in recen...

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Experimental Infection of Turkeys with A Virulent Newcastle Disease Virus Isolated from Broiler Chickens

Newcastle disease (ND) is a highly contagious infection of many avian species, mainly chickens and turkeys, with a devastating impact on worldwide poultry production. The ND accounts for heavy losses in Iranian poultry flocks. There are some reports regarding the epidemiology of this infection in Iran. This study was performed to investigate the infection of turkeys with a Newcastle disea...

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Efficacy of Thermostable Newcastle Disease Virus Strain I-2 in Broiler Chickens Challenged with Highly Virulent Newcastle Virus

Newcastle disease (ND) is a major threat to poultry industry production throughout developing countries. The Newcastle disease viruses (NDVs) infecting industrialized and indigenous poultry in Iran are velogenic strains and responsible for the frequent outbreaks of ND in poultry farms even in vaccinated flocks causing serious economic losses in the commercial and indigenous poultry. However, va...

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Differentiation of Virulent and Non-Virulent Newcastle Disease Virus Isolates Using RT-PCR

Newcastle disease is one of the main concerns of poultry farmers. Detection of virulent strains of Newcastle disease virus (NDV) has a great impact on control measures against the disease. In this study RT-PCR was optimized in high sensitivity in order to differentiate the virulent from non-virulent NDV isolates directly in tissue homogenates. The vaccinal NDV strain and known field isolates we...

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Genome Sequence of a Virulent Genotype III Newcastle Disease Virus Isolated from Laying Ducks in China

Here, we report the complete genome sequence of a virulent Newcastle disease virus (NDV) strain HN1007, isolated from diseased duck flocks in Henan, China, in 2010. The isolate has a genome length of 15,186 nucleotides, and was classified as a member of genotype III of class II.

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ژورنال

عنوان ژورنال: BMC Veterinary Research

سال: 2014

ISSN: 1746-6148

DOI: 10.1186/1746-6148-10-164