MT2 - Reo Flashcards
1) Orbiviruses spread by droplet (aerosol) infection
F
2) Orbiviruses can be cultivated in vivo by inoculation of embryonated eggs
T
3) Genetic reassortments may cause significant antigenic changes in reovirus strains
T
4) Orbiviruses are serologically uniform
F
5) Orthoreoviruses frequently cause tenosynovitis of horses
F
6) Orthoreoviruses can cause pneumoenteritis in calves
T
7) Avian orthoreoviruses cause mainly nephritis and encephalitis
F
8) Infection of adult birds with orthoreoviruses usually remains subclinical
T
9) Avian orthoreoviruses usually transmitted by germinative route
T
10) Avian orthoreoviruses can cause damages in the bursa Fabricii
T
11) Mammalian orthoreoviruses can cause pneumoenteritis only in suckling animals
F
12) Rotaviruses are sensitive to environmental conditions
F
13) Rotavirus infection is sporadic within the herd
F
14) Rotavirus only infects mammals
F
15) Clinical signs of rotavirus infection are usually seen in animals older than 2 weeks of age
F
16) Swine is not susceptible to rotavirus infection
F
17) Rotaviruses predispose to E.Coli infection in suckling piglets
T
18) Rotaviruses are shed in the faeces in high titres
T
19) Rotavirus infection results in high mortality
F
20) Avian rotaviruses are transmitted by germinative infection
F
21) Losses due to rotavirus infection of young animals can be prevented by colostrum feeding
T
22) Rotaviruses usually cause enteritis in young (1-2 weeks old) animals
T
23) Clinical signs of rotavirus infection are usually seen in animals older than 2 weeks of age
F
24) Rotaviruses damage the mucosa of the large intestines
F
25) Rotaviruses are serologically uniform
F
26) Rotaviruses are typically transmitted via the faecal oral route
T
27) Goats are not susceptible to bluetongue virus
F
28) Rodents serve as reservoirs of bluetongue
F
29) Ibaraki disease is clinically very similar to bluetongue
T
31) Bluetongue virus can cause bloody diarrhoea in lambs
T
32) Bluetongue is named after cyanosis of the tongue
T
33) The bluetongue virus is vectored by midges/ gnats
T
34) Cattle can carry the bluetongue virus for years without symptoms
T
35) Wild birds play the most important role in the distribution of bluetongue
F
36) In Europe vaccination of small ruminants against bluetongue is mandatory
F
37) Bluetongue virus is also foetopathic
T
38) Lameness and abortion are signs of bluetongue
T
39) Bluetongue occurs only in Africa and Australia
F
40) Bluetongue is transmitted by ticks
F
41) Bluetongue can be transmitted by semen
T
42) Goats are more resistant to the bluetongue than sheep
T
43) Vaccination against Bluetongue results serotype specific immunity
T
44) Bluetongue disease occurs only in Africa
F
45) The epizootic haemorrhagic fever is observed in the USA in wild deer
T
46) African horse sickness is mostly a peracute disease
F
47) The Infectious equine arthritis and the African horse sickness ay have similar clinical signs
T
48) Oedemas and haemorrhages are the most frequent lesions in African horse sickness
T
49) African horse sickness is spread by ticks
F
50) African horse sickness is zoonotic
F
51) Frothy nasal discharge is a characteristic sign of African horse sickness
T
52) The subacute form of African horses sickness is causing oedema formation and heart failure
T
53) Encephalitis is the most frequent sign of African horse sickness
F
54) Acute form of African horse sickness occurs mainly in zebras and horses
F
55) Carnivores are susceptible to African horse sickness
T
56) The natural reservoirs of the African horse sickness virus are mainly zebras
T
57) Subcutaneous oedema is a frequent symptom of subacute African horse sickness
T
58) Horse encephalosis is endemic in Africa
T
59) Equine encephalosis can result in abortion
T
60) Equine encephalosis is transmitted by mosquitoes
T
61) Equine encephalosis causes the most severe clinical signs in Zebras
F
62) Horse encephalosis occurs only in America
F
63) Equine encephalosis causes high mortality
F
