Isolation and characterization of Newcastle disease virus from vaccinated commercial layer chicken

Pathotypic characterization of Newcastle disease virus isolated from vaccinated chicken in West Java, Indonesia

AIM This research was conducted to differentiate and characterize eight Newcastle disease virus (NDV) isolates collected from vaccinated chicken at commercial flocks in West Java, Indonesia, in 2011, 2014 and 2015 by pathotype specific primers. MATERIALS AND METHODS A total of eight NDV isolates collected from clinical outbreaks among commercial vaccinated flocks in West Java, Indonesia, in 2...

Patho-epidemiological study on Genotype-XIII Newcastle disease virus infection in commercial vaccinated layer farms

AIM The present research work was carried out to study the patho-epidemiological aspects of Genotype-XIII Newcastle disease virus (NDV) infection in commercial layer in and around Anand, Gujarat. As the outbreaks have reported in vaccinated flocks, it was felt necessary to study the disease with respect to its changing pathogenicity and relevant aspects. MATERIALS AND METHODS The study compri...

Characterization of virulent Newcastle disease viruses from vaccinated chicken flocks in Eastern China

BACKGROUND Newcastle disease (ND) is one of the most contagious and devastating diseases to poultry in the world. The causative agents are virulent strains of Newcastle disease virus (NDV), which belong to the genus Avulavirus, sub-family Paramyxoviridae, family Paramyxovirinae. Knowing the genomic and antigenic characteristics of virulent NDVs might contribute to ND control in China. RESULTS...

Biological and Molecular Characterization of Newcastle Disease Virus Isolated from Iran

Isolation and Identification of Infectious Bronchitis Virus from Commercial Chickens