Characterization of Newcastle Disease Virus and poultry-handling practices in live poultry markets, Ethiopia

Characterization of Newcastle Disease Virus and poultry-handling practices in live poultry markets, Ethiopia

Newcastle disease represents the most severe poultry disease responsible for marked economic losses in Ethiopia. To provide a molecular characterization of Newcastle disease viruses circulating in this country, a cross sectional survey was conducted at five selected live poultry market sites in Addis Ababa. In addition, baseline data on the live poultry market system were acquired through a det...

Newcastle Disease Of Poultry

Herd immunity to Newcastle disease virus in poultry by vaccination

Newcastle disease is an economically important disease of poultry for which vaccination is applied as a preventive measure in many countries. Nevertheless, outbreaks have been reported in vaccinated populations. This suggests that either the vaccination coverage level is too low or that vaccination does not provide perfect immunity, allowing the virus to spread in partially vaccinated populatio...

Immune responses of poultry to Newcastle disease virus.

Newcastle disease (ND) remains a constant threat to poultry producers worldwide, in spite of the availability and global employment of ND vaccinations since the 1950s. Strains of Newcastle disease virus (NDV) belong to the order Mononegavirales, family Paramyxoviridae, and genus Avulavirus, are contained in one serotype and are also known as avian paramyxovirus serotype-1 (APMV-1). They are ple...

Pathotypic characterization of the Newcastle disease virus isolated from commercial poultry in northwest Iran

Elham AHMADI*, Seyed Ali POURBAKHSH, Malahat AHMADI, Alireza TALEBI Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran Department of Poultry Diseases, Razi Vaccine and Serum Research Institute, Karaj, Iran Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran Department of Clinical Sciences, Faculty of Veterinary Medicin...