Funding for this research was provided by:
National Science Centre Poland (2017/25/N/NZ8/01197)
Wroclawskie Centrum Sieciowo-Superkomputerowe, Politechnika Wroclawska (307)
Article History
Received: 8 July 2020
Accepted: 26 November 2020
First Online: 7 December 2020
Ethics approval and consent to participate
: The blood samples of analyzed specimens were obtained by veterinarians during standard administering veterinary care and periodic health examinations of birds kept in Polish Zoological Gardens (Gdańsk, Katowice, Warsaw, Wrocław), Animal Rehabilitation Centre in Kątna, Department of Poultry Breeding at Wrocław University of Environmental and Life Sciences, Department of Vertebrate Ecology and Zoology at University of Gdańsk, Avicultural Park in Italy and World of Birds Foundation in the Netherlands. The owners or supervisors of the samples provided us this material with permission for this research. Their full list is shown in Acknowledgements.
: Not applicable.
: The authors declare that they have no competing interests.