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Derzsy desease is a fatal hepatitis of young geese under the age of 5 weeks. The etiological agent is a goose parvovirus (GPV) which is widespread in all major goose farming countries in Europe and Asia. At present, vaccination is the only method preventing the loss of animals. In vitro GPV replicates only in goose embryo fibroblasts (GEF) and this way the virus is propagated in order to obtain the...
The aim of this study was an attempt to apply PCR for diagnosis of Marek's disease. Eighteen field Marek's disease virus strains and 4 standard strains: virulent HPRS₁₆ strain and attenuated CVI 988 strain (serotype 1 - MDV-1), apathogenic SB 1strain (serotype 2 - MDV-2) and non - pathogenic turkeys HVT FC 126 strain (serotype 3 MDV-3) were used. Chicken anaemia virus (CAV) and infectious laryngotracheitis...
In twenty broiler flocks the following antibodies against common viruses were evaluated: chicken anaemia (CAV), infection bursal disease (IBDV), infection bronchitis (IBV) and reoviruses. The antibodies against Marek’s disease virus (MDV) were additionally examined. The presence of antibodies against CAV, IBDV and IB was determined by comercial ELISA kits and against reoviruses by ELISA performed...
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