Abstract
Psittacine beak and feather disease (PBFD) is the most common viral disease of wild and captive psittacine birds. Here, we designed the first survey to investigate the existence of subclinical infections and the distribution of the causative agent named beak and feather disease virus (BFDV) inside the population of captive psittacine birds in Germany. DNA was isolated from feathers of 146 symptom-free birds from 19 different genera (all psittaformes) taken from 32 independent breeders from all over Germany. The presence of BFDV was analysed by performing polymerase chain reaction assays. Fifty-eight (39.2%) samples were found to be positive for BFDV. As expected, there was no significant predominance of one sex to be infected with BFDV.
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