Avian Circoviruses and Chicken Infectious Anemia

Question 1

Avian circovirus causes clinical signs similar to those seen in PMWS

Answer 1

True

Question 2

Avian circovirus causes clinical signs similar to those seen in PDNS

Answer 2

False

Question 3

The pigeon circovirus is not an important disease because the virus causes feather and beak deformities

Answer 3

False

Question 4

The beak and feather diseases causes typically neurological signs

Answer 4

False

Question 5

In parrots porcine circovirus 2 causes the psittacine beak and feather disease

Answer 5

False

Question 6

The beak and feather disease can be acute problem

Answer 6

True

Question 7

Feather and beak deformities may appear after circovirus infection of geese and pigeons

Answer 7

True

Question 8

Beak and feather disease lesions are sometimes obvious only after molting

Answer 8

True

Question 9

Avian circovirus infections result high morbidity and low mortality

Answer 9

True

Question 10

Pigeon circoviruses are antigenically uniform

Answer 10

False

Question 11

Pigeon circoviruses frequently appear in diseases together with other viruses and bacteria

Answer 11

True

Question 12

Circovirus in geese and ducks can cause retarded growth and feather formation disturbances

Answer 12

True

Question 13

Avian circoviruses do not cause clinical signs in domestic birds

Answer 13

False

Question 14

In ducks and geese, Avian circoviruses can cause retarded growth and
immunosuppression

Answer 14

True

Question 15

Avian circoviruses can spread via breeder eggs

Answer 15

True

Question 16

Avian circoviruses do not cause disease in wild birds

Answer 16

False

Question 17

Avian circoviruses are species specific

Answer 17

True

Question 18

Avian circoviruses can infect many poultry species

Answer 18

True

Question 19

Avian circoviruses can cause retarded growth and immunosuppression

Answer 19

True

Question 20

Inactivated vaccines are used against pigeon circovirus infections

Answer 20

False

Question 21

Pigeon circovirus infections do not occur in Hungary, the disease is prevented by vaccination

Answer 21

False

Question 22

Circoviruses can infect pigeons

Answer 22

True

Question 23

Vaccines are available for Pigeon Circoviruses

Answer 23

False

Question 24

Clinical signs of PBFDV (Psittacine Beak and Feather Disease Virus) are only seen at time of moulting

Answer 24

False

Question 25

The chicken infectious anaemia virus is also commonly detected in goose

Answer 25

F

Question 26

Anaemia and haemorrhages are two important clinical signs of chicken anaemia

Answer 26

T

Question 27

The chicken infectious anaemia is a chicken disease up to 1 month of age

Answer 27

T

Question 28

The chicken infectious anaemia virus causes only anaemia

Answer 28

F

Question 29

The chicken anaemia virus does not replicate in lymphoid progenitors

Answer 29

F

Question 30

There are vaccines available against chicken anaemia

Answer 30

T

Question 31

The chicken infectious anaemia is a disease of hens

Answer 31

F

Question 32

The chicken infectious anaemia causes clinical signs similar to those seen in PDNS

Answer 32

F

Question 33

Vertical infectious is not possible in chicken infectious anaemia

Answer 33

F

Question 34

Infection of day old chickens with the chicken anaemia virus leads to immune suppression

Answer 34

T

Question 35

Chicken anaemia virus is transmitted both horizontally and vertically

Answer 35

T

Question 36

Atrophy of the thymus is a post mortem finding of Chicken Infectious Anaemia virus

Answer 36

T

Question 37

Infectious Chicken anaemia virus can cause clinical signs only in layer hens

Answer 37

F

Question 38

Infectious chicken anaemia virus causes clinical signs in chicken of 1 to 4 weeks of age

Answer 38

T

Question 39

For prevention of infectious chicken anaemia, live attenuated vaccine is available

Answer 39

T

Question 40

Infection of day-old chickens with the chicken anaemia virus leads to immune suppression

Answer 40

T

Question 41

Chicken anaemia virus infection can result in high mortality of chickens over 3 weeks of age

Answer 41

F

Question 42

In Chicken Infectious anaemia, most symptoms are observed in the first month

Answer 42

T

Question 43

Chicken Infectious anaemia involves destruction of the lymphoid and myeloid cells

Answer 43

T

Question 44

Chicken Infectious anaemia virus induces apoptosis of activated T-cells

Answer 44

T

Question 45

Pigeons can be infected by Chicken Infectious anaemia virus

Answer 45

F

Question 46

Chicken Infectious anaemia virus does not replicate in the thymus

Answer 46

F

Question 47

Chicken Infectious anaemia in day old chickens causes a long-lasting immunosuppression

Answer 47

T

Question 48

Chicken Infectious anaemia virus is a Gyrovirus

Answer 48

T

Question 49

Chicken anaemia virus infection can cause death of chickens below 3 weeks of age

Answer 49

T