Avian Circoviruses Flashcards
In pigs the porcine circovirus 2 can cause BFD.
F
Avian circovirus causes clinical signs similar to those seen in PMWS.
T
Avian circovirus causes clinical signs similar to those seen in PDNS.
F
The pigeon circovirus is not an important disease because the virus causes feather and
beak deformities
F
The beak and feather diseases causes typically neurological signs
F
In parrots porcine circovirus 2 causes the psittacine beak and feather disease
F
The beak and feather disease can be acute problem
T
Feather and beak deformities may appear after circovirus infection of geese and pigeons
T
Beak and feather disease lesions are sometimes obvious only after molting.
T
Avian circovirus infections result high morbidity and low mortality.
T
Pigeon circoviruses are antigenically uniform.
F
Pigeon circoviruses frequently appear in diseases together with other viruses and
bacteria.
T
Circovirus in geese and ducks can cause retarded growth and feather formation
disturbances
T
Avian circoviruses do not cause clinical signs in domestic birds.
F
In ducks and geese, Avian circoviruses can cause retarded growth and
immunosuppression
T
Avian circoviruses can spread via breeder eggs.
T
Avian circoviruses do not cause disease in wild birds
F
Avian circoviruses are species specific
T
Avian circoviruses can infect many poultry species.
T
Avian circoviruses can cause retarded growth and immunosuppression
T
Inactivated vaccines are used against pigeon circovirus infections.
F
Pigeon circovirus infections do not occur in Hungary, the disease is prevented by
vaccination.
F
Circoviruses can infect pigeons.
T
Vaccines are available for Pigeon Circoviruses.
F
Clinical signs of PBFDV (Psittacine Beak and Feather Disease Virus) are only seen at time
of moulting.
F
