Molecular approach in investigation on Newcastle disease strain isolated in Bulgaria during 2005-2007
2009
Oreshkova, N., National Diagnostic and Research Veterinary Institute, Sofia (Bulgaria) | Gujgulova, G., National Diagnostic and Research Veterinary Institute, Sofia (Bulgaria) | Georgiev, G., National Diagnostic and Research Veterinary Institute, Sofia (Bulgaria) | Dimitrov, K., National Diagnostic and Research Veterinary Institute, Sofia (Bulgaria)
Newcastle disease virus is a pathogen of major social and economic importance. The disease it provokes is often devastating, particularly in domestic poultry. The infection in wild birds, especially aquatic species, is often asymptomatic and they are therefore considered to be a reservoir of the virus in the wild. Several teams of scientists have proposed different grouping of the isolates from all over the world, according to genetic similarity. The molecular analysis of the Bulgarian strains isolated from poultry outbreaks during 2005-2007 and also from wild birds in the same period, allows determination of the presumable origin of the viruses.
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