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J Vet Med Sci. 2002 Jun;64(6):527-9.

Psittacine beak and feather disease in three captive sulphur-crested cockatoos (Cacatua galerita) in Thailand.

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Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.


Three sulphur-crested cockatoos (Cacatua galerita) were diagnosed as psittacine beak and feather disease (PBFD). Histopathology of the feather pulp and follicles showed intracytoplasmic botryoid clusters or granular inclusion bodies in epithelial cells and macrophages. Electron microscopy revealed multiple cytoplasmic clusters of electron dense viral particles corresponding to the inclusions. PBFD virus (circovirus) DNA-specific product was detected from formalin-fixed paraffin-embedded feathers by nested polymerase chain reaction (PCR) method.

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