marek's disease Flashcards

1
Q

marek s disease is caused by

A

herpes virus

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2
Q

mareks disease virus has lymphotropic property similiar to

A

gamma herpes virus

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3
Q

pathogenic serotypes of mareks disease

A

serotype 1

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4
Q

serotype 1 has

A

mild
virulent
very virulentvery virulent plus

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5
Q

which mareks disease virus is apathogenic

A

serotype 2

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6
Q

serotype 3 of mdv is

A

meleagrid herpesvirus 1

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7
Q

what is called late mareks

A

mareks disease occur after the onset of egg production

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8
Q

mareks disease virus mature in

A

enveloped form in the epithelium of feather follicle

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9
Q

does mareks disease virus have vertical transmission

A

no

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10
Q

mareks disease stages

A

1 early productive
2latent non productive
3cytolytic productive
4proliferative

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11
Q

degenerative changes happen in mareks disease in……stage

A

**early productive

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12
Q

permanent immunosuppression in mareks disaese which stage??

A

**cytolytic productive

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13
Q

mareks disease transformed cells show

A

MATSA

or**mareks associated tumour surface antigen

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14
Q

MAREKS DISEASE affects …..at first stage

A

phagocytes of thymus splen bursa

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15
Q

after 6 to7 days of primary infection……..stage occurs

A

latency

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16
Q

in latency stage ……. cells are affected

A

t cells

17
Q

secondary cytoytic infection of mareks disease involves

A

visceral organs

feather follicle epithelium

18
Q

final changes in mareks disease

A

lymphoproliferative changes and tumour development

19
Q

mdv has classical form or

A

nervous form

20
Q

acute form of mdv is called

A

lymphoproliferative syndrome

21
Q

most common form of mdv is

A

lymphoproliferative form

22
Q

the incubation time of marek’s disease

A

2 weeks

23
Q

the incubation time of marek’s disease

A

2 weeks