Maedi-Visna and Caprine Arthritis-encephalitis

Question 1

Clinical signs of maedi visna are more severe in young animals than in adults

Answer 1

F

Question 2

Heavy nasal discharge is a clinical sign of maedi

Answer 2

F

Question 3

The maedi virus and the visna virus are related but they can be differentiated with PCR

Answer 3

F

Question 4

Interstitial pneumonia is the main postmortem lesion of visna

Answer 4

F

Question 5

Interstitial pneumonia is the main postmortem lesion of Maedi

Answer 5

T

Question 6

Maedi and visna are caused by the same virus

Answer 6

T

Question 7

Maedi-visna virus is shed in tracheal discharge and milk

Answer 7

T

Question 8

Maedi-visna is maintained by persistently infected sheep

Answer 8

T

Question 9

Weakness of the hinder legs is a clinical sign of visna

Answer 9

T

Question 10

Inactivated and attenuated vaccines are widely used for the prevention of maedi-visna

Answer 10

F

Question 11

Clinical signs of maedi can be seen in sheep above 3-4 years of age

Answer 11

T

Question 12

Maedi-visna can occur in sheep, goats, and cattle

Answer 12

F

Question 13

Europe is already free from maedi-visna

Answer 13

F

Question 14

Maedi/visna is spreading slowly in the flock

Answer 14

T

Question 15

Maedi/visna virus is shed in the milk

Answer 15

T

Question 16

Maedi is seen in 3-4 years old sheep

Answer 16

T

Question 17

Large amount of mucoid nasal discharge is typical in the case of maedi

Answer 17

F

Question 18

Maedi/visna spreads from sheep to other animals

Answer 18

T

Question 19

Maedi/visna virus is shed in nasal discharge, respiratory secretions and milk

Answer 19

T

Question 20

Clinical sign of maedi/visna appear from the age of 6-8 months

Answer 20

F

Question 21

Meadi/visna most important clinical sign is profuse diarrhoea

Answer 21

F

Question 22

Maedi/visna virus is shed only in tracheal discharge

Answer 22

F

Question 23

Clinical signs of maedi are mainly seen in lambs below half a year of age

Answer 23

F

Question 24

Maedi/visna virus causes interstitial pneumonia in sheep

Answer 24

T

Question 25

Clinical signs of the central nervous system can be seen in the case of visna

Answer 25

T

Question 26

Maedi/visna virus causes viraemia

Answer 26

T

Question 27

Wet cough and intensive nasal discharge are typical signs of maedi

Answer 27

F

Question 28

De-myelinization is the reason for the clinical signs of visna

Answer 28

T

Question 29

Attenuated vaccines are widely used to prevent maedi/visna

Answer 29

F

Question 30

Maedi appears in Hungary

Answer 30

T

Question 31

Maedi is spreading fast

Answer 31

F

Question 32

In order to eradicate maedi/visna infected ewes have to be culled with their lambs

Answer 32

True

Question 33

Clinical sign of maedi/visna appear from the age of 6 months

Answer 33

F

Question 34

Maedi/visna is spreading fast in the flock

Answer 34

F

Question 35

Maedi/visna is spreading fast in the flock

Answer 35

F

Question 36

Maedi/visna virus is shed only in the tracheal discharge

Answer 36

F

Question 37

Clinical signs of maedi are generally seen above 3-4 years of age

Answer 37

T

Question 38

Caprine arthritis-encephalitis virus can cause persistent infection

Answer 38

T

Question 39

Sheep are resistant against caprine arthritis encephalitis virus

Answer 39

F

Question 40

Arthritis caused by caprine arthritis encephalitis virus is mainly seen in lambs

Answer 40

F

Question 41

Encephalitis caused by caprine arthritis encephalitis virus is generally seen in 2-4 month old kids

Answer 41

T

Question 42

Caprine arthritis encephalitis virus can be transmitted by milk

Answer 42

T

Question 43

There is intensive vaccination against Caprine arthritis encephalitis in endemic countries

Answer 43

F

Question 44

Caprine arthritis encephalitis virus is more frequent in dairy goats than in rural breeds

Answer 44

T

Question 45

Caprine arthritis encephalitis virus is shed in the milk

Answer 45

T

Question 46

In the case of caprine arthritis encephalitis the signs of encephalitis can be seen in 2-4 months old kids

Answer 46

T

Question 47

In the case of caprine arthritis encephalitis, arthritis is less frequent than encephalitis

Answer 47

F

Question 48

Kids are recommended to be isolated in a herd where caprine arthritis encephalitis is present

Answer 48

T

Question 49

Kids can be infected with caprine arthritis encephalitis virus through the milk

Answer 49

T

Question 50

Arthritis caused by caprine arthritis-encephalitis virus is typically seen in kids below half a year of age

Answer 50

F

Question 51

Caprine arthritis encephalitis is characterized by CNS signs in young goats

Answer 51

T

Question 52

Caprine arthritis encephalitis virus replicates in the intestinal tract

Answer 52

T