Extensive recombination detected among beak and feather disease virus isolates from breeding facilities in Poland

Laurel Julian, Tomasz Piasecki, Klaudia Chrzastek, Matthew Walters, Brejnev Muhire, Gordon W. Harkins, Darren P. Martin, Arvind Varsani

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


Beak and feather disease virus (BFDV) causes the highly contagious, in some cases fatal, psittacine beak and feather disease in parrots. The European continent has no native parrots, yet in the past has been one of the world's biggest importers of wild-caught exotic parrot species. Following the banning of this practice in 2007, the demand for exotic pet parrots has largely been met by established European breeding facilities, which can also supply buyers outside Europe. However, the years of unregulated importation have provided numerous opportunities for BFDV to enter Europe, meaning the likelihood of birds within captive breeding facilities being BFDV positive is high. This study examined the BFDV status of such facilities in Poland, a country previously shown to have BFDV among captive birds. A total of 209 birds from over 50 captive breeding facilities across Poland were tested, and 43 birds from 18 different facilities tested positive for BFDV. The full BFDV genomes from these 43 positive birds were determined, and phylogenetic analysis revealed that these samples harboured a relatively high degree of diversity and that they were highly recombinant. It is evident that there have been multiple introductions of BFDV into Poland over a long period of time, and the close association of different species of birds in the captive environment has probably facilitated the evolution of new BFDV strains through recombination.

Original languageEnglish (US)
Pages (from-to)1086-1095
Number of pages10
JournalJournal of General Virology
Issue numberPART 5
StatePublished - May 2013
Externally publishedYes

ASJC Scopus subject areas

  • Virology


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