Abstract
Vertical Transmission of Avian Bornavirus in Psittacines
Highlights
To the Editor: Proventricular dilatation disease (PDD) is a fatal disease in psittacines that jeopardizes critical species conservation projects, such as that involving the Spix’s macaw (Cyanopsitta spixii), the world’s most endangered bird species [1]
To investigate vertical transmission of avian bornavirus (ABV), we examined 30 deadin-shell embryos of various psittacine species that originated from ABVinfected flocks with a history of PDD
The swab specimens of both parents of the Major Mitchell cockatoo tested positive for ABV RNA, but serum did not demonstrate specific ABV antibodies
Summary
To the Editor: Proventricular dilatation disease (PDD) is a fatal disease in psittacines that jeopardizes critical species conservation projects, such as that involving the Spix’s macaw (Cyanopsitta spixii), the world’s most endangered bird species [1]. To investigate vertical transmission of ABV, we examined 30 deadin-shell embryos of various psittacine species that originated from ABVinfected flocks with a history of PDD. The brain and proventriculus of each embryo were analyzed for the presence of ABV RNA by using 2 different real-time reverse transcription PCRs, as described by Honkavuori [4], with the primer pair 1034–1322 and, in case of a negative result, the additional primer set 1367.
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