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Indian Journal of Veterinary Pathology
Year : 2007, Volume : 31, Issue : 1
First page : ( 17) Last page : ( 20)
Print ISSN : 0250-4758.

Pathogenicity study of different avipoxviruses in embryonated chicken eggs and cell cultures

Yadav Shakuntla, Dash B.B., Kataria J.M., Dhama K., Gupta S.K., Rahul S.

Division of Avian Diseases Indian Veterinary Research Institute, Izatnagar–243 122 (UP)

†Corresponding author

Abstract

Avipoxvirus infection, an economically important disease of domestic poultry and wild birds, is re-emerging in the recent past. Fowl poxvirus (FPV), quail poxvirus (QPV), turkey poxvirus (TPV) and pigeon poxvirus (PPV) could be adapted and propagated in chicken embryo fibroblast (CEF) cell culture, chorioallantoic membrane (CAM) of embryonated chicken eggs and QT-35 cell line with optimal titres. Studies were conducted on the pathogenicity of these viruses in these different host systems, which produced characteristic cytopathic effect (CPE) in CEF cell culture and QT-35 cell line viz. presence of intracytoplasmic inclusions in hypertrophied cells and plaque/syncytia formation and the lesions on CAM were distinct pocks, hyperplasia of ectoderm and intracytoplasmic inclusions.

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Key words

Avipoxvirus (APV), chorioallantoic membrane (CAM), chicken embryo fibroblast (CEF), fowl poxvirus (FPV), turkey poxvirus (TPV), quail poxvirus (QPV), pigeon poxvirus (PPV).

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