Mareks Disease Flashcards

1
Q

In case of viraemia the GaHV2 spreads to fowl’s organs in macrophages

A

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2
Q

Transient paralysis form of Marek’s disease can be present in 6-week-old chicken

A

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3
Q

Infection of Marek’s disease can occur in hatchery.

A

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4
Q

The vaccines of Marek’s disease are not efficient.

A

F

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5
Q

The turkey herpesvirus causes cross immunity against Marek’s disease

A

T

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6
Q

Turkey Herpes virus can be used for vaccination against Marek Disease

A

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7
Q

Lymphoproliferative form of Marek’s disease can be present in 6-week-old chicken.

A

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8
Q

Lymphoproliferative form of Marek’s disease can be present in hens (older age)

A

F

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9
Q

Clinical signs of Marek’s disease present rare, because of vaccination.

A

T

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10
Q

Lymphoproliferative form of Mareks disease is a chronic disease

A

F

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11
Q

The duck herpesvirus causes cross immunity against Marek disease

A

F

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12
Q

The free virions spread to organs independent of cells in the case of Marek disease

A

F

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13
Q

Transient paralysis form of Mareks disease can be present in hens

A

F

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14
Q

Lymphoproliferative form of Mareks disease is an acute disease

A

T

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15
Q

Neurological form of Mareks disease can be present in 4 week old chicken

A

F

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16
Q

There is in ovo vaccine against Mareks disease

A

T

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17
Q

Intake of GaHV2 happens most frequently per os.

A

F

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18
Q

Germinative infection does not occur in Mareks disease

A

T

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19
Q

Germinative infection does occur in Mareks disease

A

F

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20
Q

In case of viraemia the GaHV2 spreads to fowl’s organs in red blood cells

A

F

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21
Q

The acute form of Mareks is primarily a tumour formation.

A

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22
Q

Marek disease is usually seen in chickens below 2 weeks of age

A

F

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23
Q

Marek disease virus is shed with faeces in high titres

A

F

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24
Q

Signs of Marek disease may be very similar to reticuloendotheliosis signs

A

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25
The Marek disease virus survives for long in the environment
T
26
Marek disease is caused by turkey herpesvirus
F
27
Transient Marek paralysis may lead to visceral form
T
28
Transient paralysis by Marek’s disease usually ends in full recovery
F
29
The chronic form of Marek disease is characterized by neurological disorders
T
30
The chronic form of Marek disease is due to circuses of higher virulence
F
31
Transient Marek paralysis may lead to visceral form
T
32
Marek disease is the result of air born infection
T
33
Transient paralysis by Marek disease usually ends in full recovery
F
34
Marek disease usually starts as an airborne infection.
T
35
Free Marek virus particles are shed from the feather follicles.
T
36
The Marek's disease virus may survive in the environment for several months.
T
37
Marek's disease is most frequently seen in geese and ducks.
F
38
Free virions of the Marek's disease virus are formed in the feather follicle epithelial cells.
T
39
Humoral immunity plays the central role in the host's defence against the Marek's disease virus.
F
40
The neurological form of the Marek's disease is seen only in day-old chicks
F
41
Chicken shed the Marek's disease virus via feather follicular epithelial cells.
T
42
The pathological lesions of acute Marek's disease and reticuloendotheliosis can be similar
T
43
Conjunctivitis is a frequent sign of acute Marek's disease.
F
44
The Marek ́s disease virus is transmitted by inhalation
T
45
Marek ́s disease virus can ́t be prevented by vaccination, because it ́s immunosuppressive.
F
46
The pathology lesions of acute Marek ́s disease and avian leucosis can be similar.
T
47
The Marek ́s disease virus causes immunosuppression
T
48
The acute form of Marek ́s disease is characterized by lymphoid cell proliferation
T
49
The neurological form of Marek ́s disease has a mass appearance.
F
50
The highly virulent strains of Marek ́s disease may cause tumours in turkey
T
51
The incubation time of acute Marek ́s disease is 1-2 days
F
52
The neurological form of Marek ́s disease leads to significant liver degeneration
F
53
Both serotypes of the Marek ́s virus cause disease in geese
F
54
North America is free of Marek ́s disease
F
55
Marek’s disease only occurs in domestic fowl
T
56
Marek’s disease spreads primarily via the aerogenous route
T
57
Marek’s disease virus is shed mainly via the faeces.
F
58
Marek ́s disease in the blood multiplies in the endothelial cells
F
59
Marek ́s disease is a beta herpes virus
F
60
Marek’s disease primarily targets day old chickens
F
61
The neoplastic form of Marek disease is caused by high virulence strains.
T
62
Vaccination is used for the prevention of Marek ́s disease.
T
63
The neoplastic form of Marek’s is caused by low virulence strains.
F
64
We can differentiate Marek’s disease from reticuloendotheliosis only by lab diagnostics methods
T
65
Prevention against Marek ́s: no measures needed as the disease remains mostly symptomless
F
66
General preventative measures and vaccination of day-old chickens must be used for the prevention of Marek’s disease
T
67
Live attenuated strains are used for vaccination against Marek ́s disease
T
68
No vaccination is needed against Marek’s disease.
F
69
The highly virulent strains of Marek’s disease may cause tumors in turkeys
T
70
Marek’s disease viruses are uniform in their virulence
F
71
Highly virulent Marek’s disease viruses may break through vaccine induced protection
T