Avian Circoviruses and Chicken Infectious Anemia Flashcards
Avian circovirus causes clinical signs similar to those seen in PMWS
True
Avian circovirus causes clinical signs similar to those seen in PDNS
False
The pigeon circovirus is not an important disease because the virus causes feather and beak deformities
False
The beak and feather diseases causes typically neurological signs
False
In parrots porcine circovirus 2 causes the psittacine beak and feather disease
False
The beak and feather disease can be acute problem
True
Feather and beak deformities may appear after circovirus infection of geese and pigeons
True
Beak and feather disease lesions are sometimes obvious only after molting
True
Avian circovirus infections result high morbidity and low mortality
True
Pigeon circoviruses are antigenically uniform
False
Pigeon circoviruses frequently appear in diseases together with other viruses and bacteria
True
Circovirus in geese and ducks can cause retarded growth and feather formation disturbances
True
Avian circoviruses do not cause clinical signs in domestic birds
False
In ducks and geese, Avian circoviruses can cause retarded growth and
immunosuppression
True
Avian circoviruses can spread via breeder eggs
True
Avian circoviruses do not cause disease in wild birds
False
Avian circoviruses are species specific
True
Avian circoviruses can infect many poultry species
True
Avian circoviruses can cause retarded growth and immunosuppression
True
Inactivated vaccines are used against pigeon circovirus infections
False
Pigeon circovirus infections do not occur in Hungary, the disease is prevented by vaccination
False
Circoviruses can infect pigeons
True
Vaccines are available for Pigeon Circoviruses
False
Clinical signs of PBFDV (Psittacine Beak and Feather Disease Virus) are only seen at time of moulting
False
The chicken infectious anaemia virus is also commonly detected in goose
F
Anaemia and haemorrhages are two important clinical signs of chicken anaemia
T
The chicken infectious anaemia is a chicken disease up to 1 month of age
T
The chicken infectious anaemia virus causes only anaemia
F
The chicken anaemia virus does not replicate in lymphoid progenitors
F
There are vaccines available against chicken anaemia
T
The chicken infectious anaemia is a disease of hens
F
The chicken infectious anaemia causes clinical signs similar to those seen in PDNS
F
Vertical infectious is not possible in chicken infectious anaemia
F
Infection of day old chickens with the chicken anaemia virus leads to immune
suppression
T
Chicken anaemia virus is transmitted both horizontally and vertically
T
Atrophy of the thymus is a post mortem finding of Chicken Infectious Anaemia virus
T
Infectious Chicken anaemia virus can cause clinical signs only in layer hens
F
Infectious chicken anaemia virus causes clinical signs in chicken of 1 to 4 weeks of age
T
For prevention of infectious chicken anaemia, live attenuated vaccine is available
T
Infection of day-old chickens with the chicken anaemia virus leads to immune suppression
T
Chicken anaemia virus infection can result in high mortality of chickens over 3 weeks of age
F
In Chicken Infectious anaemia, most symptoms are observed in the first month
T
Chicken Infectious anaemia involves destruction of the lymphoid and myeloid cells
T
Chicken Infectious anaemia virus induces apoptosis of activated T-cells
T
Pigeons can be infected by Chicken Infectious anaemia virus
F
Chicken Infectious anaemia virus does not replicate in the thymus
F
Chicken Infectious anaemia in day old chickens causes a long-lasting
immunosuppression
T
Chicken Infectious anaemia virus is a Gyrovirus
T
Chicken anaemia virus infection can cause death of chickens below 3 weeks of age
T
