Investigation and sequence analysis of avian polyomavirus and psittacine beak and feather disease virus from companion birds in eastern Turkey
Avian polyomavirus (APV) and psittacine beak and feather disease virus (PBFDV) induce contagious and persistent diseases that affect the beaks, feathers, and immune systems of companion birds.APV causes hepatitis, ascites, hydropericardium, depression, manta ray stencil feather disorders, cath kidston forget me not abdominal distension, and potenti