isolation and molecular characterization of newcastle disease virus genotypes ii and viid in egypt between 2011 and 2012. | the current study was conducted to isolate and characterize newcastle disease virus (ndv) from recent outbreaks affecting poultry farms in egypt between 2011 and 2012. trachea, spleen, liver, proventriculus and caecal tonsils were collected from clinically infected ndv ten different vaccinated broiler farms in fayoum, behira and giza provinces. inoculation of all the collected samples in 10-day-old embryonated chicken specific-pathogen-free eggs resulted in isolation of haemagglutinating agents ... | 2013 | 23842723 |