Astroviruses- Avian nephritis

Question 1

Avian nephritis is caused by astroviruses

Answer 1

T

Question 2

The mortality of avian nephritis is 50-60%

Answer 2

F

Question 3

Avian nephritis replicates in the gut

Answer 3

T

Question 4

Broilers are regularly vaccinated against avian nephritis virus

Answer 4

F

Question 5

Urate deposition is a postmortem lesion of avian nephritis

Answer 5

T

Question 6

Clinical signs of avian nephritis can be seen in the first four weeks of life

Answer 6

T

Question 7

Avian nephritis virus usually causes diseases in chickens of 1-3 weeks of age

Answer 7

T

Question 8

Avian nephritis is more frequent in waterfowl than in chicken

Answer 8

F

Question 9

Avian nephritis virus caused by a picornavirus

Answer 9

F

Question 10

Only chickens are susceptible to avian nephritis virus

Answer 10

T

Question 11

Avian nephritis virus is transmitted by rodents

Answer 11

F

Question 12

Chickens are frequently seropositive for avian nephritis

Answer 12

T

Question 13

Avian nephritis virus caused by a picornavirus.

Answer 13

F

Question 14

Attenuated vaccines are used for the prevention of chicken from avian nephritis virus

Answer 14

F