Bluetongue of sheep

Question 0

bluetongue is also known as _________ or __________

Answer 0

catarrhal fever of sheep

soremuzzle

Question 1

bluetongue is dz of which species

Answer 1

sheep

Question 2

why is bluetongue known as catarrhal fever of sheep

Answer 2

it causes catarrhal stomatitis & rhinitis

Question 3

name the bluetongue virus

Answer 3

orbivirus

Question 4

orbivirus belongs to family _______

Answer 4

Reoviridae

Question 5

bluetongue was first recognized in which county

Answer 5

south africa

Question 6

how many serotypes of bluetongue virus are known

Answer 6

24

Question 7

tell about spread of bluetongue

Answer 7

by biting insects

Question 8

bluetongue spreads by bite of insects of _______ genus

Answer 8

Cullicoides

Question 9

after entry in body, replication of bluetongue virus intially occurs in __________ and then in __________

Answer 9

haematopoietic cells

endothelial cells

Question 10

why is the disease known as bluetongue

Answer 10

cyanosis and oedema of tongue

Question 11

why is bluetongue known as soremuzzle

Answer 11

oedema of lips,tonue,ears,face,intermadibular space

Question 12

cause of death in bluetongue

Answer 12

pneumonia

Question 13

bluetongue may terminate into ___________ and _________

Answer 13

muscular weakness

torticollis

Question 14

can bluetongue virus infect fetus

Answer 14

yes it can, if infection occurs when the animal is pregnant

Question 15

bluetongue virus causes ___________ in fetus

Answer 15

cerebral abnormalities

Question 16

extend of damage to fetus in bluetongue infection depends on ____________

Answer 16

stage or pregnancy

Question 17

in bluetongue infection what occurs to fetuses of
40-60 days pregnant sheep
60-120 days pregnant cattle

Answer 17

hydran-encephaly

Question 18

in bluetongue infection what occurs to fetus of pregnant cows and sheep if infected in later stage of pregnancy

Answer 18

pore-encephaly(cavity in brain)

retinal dysplasia