This document is heavy reading and is issued by the Australian Government. As so many species are susceptible to this devastating disease and us Aussies unfortunately have the virus prevalent in our wild flocks it should be something owners are aware of in terms of how to prevent and control and are able to hopefully stop our flocks from ever being at risk from this terrible disease.
http://www.environment.gov.au/syste...-1a9fdcb76642/files/hygiene-protocols-all.pdf
What is PBFD a PDF fact sheet from the Government:
http://www.environment.gov.au/syste...-4c31-9fa8-519dcbc593ca/files/p-c-disease.pdf
More from the government which also lists species under threat that are affected by this too
Psittacine Circoviral (beak and feather) Disease
Another link about the disease:
Psittacine Beak and Feather Disease (PBFD) in Birds
http://www.environment.gov.au/syste...-1a9fdcb76642/files/hygiene-protocols-all.pdf
What is PBFD a PDF fact sheet from the Government:
http://www.environment.gov.au/syste...-4c31-9fa8-519dcbc593ca/files/p-c-disease.pdf
More from the government which also lists species under threat that are affected by this too
Psittacine Circoviral (beak and feather) Disease
Another link about the disease:
Psittacine Beak and Feather Disease (PBFD) in Birds