marek's disease Flashcards
(23 cards)
marek s disease is caused by
herpes virus
mareks disease virus has lymphotropic property similiar to
gamma herpes virus
pathogenic serotypes of mareks disease
serotype 1
serotype 1 has
mild
virulent
very virulentvery virulent plus
which mareks disease virus is apathogenic
serotype 2
serotype 3 of mdv is
meleagrid herpesvirus 1
what is called late mareks
mareks disease occur after the onset of egg production
mareks disease virus mature in
enveloped form in the epithelium of feather follicle
does mareks disease virus have vertical transmission
no
mareks disease stages
1 early productive
2latent non productive
3cytolytic productive
4proliferative
degenerative changes happen in mareks disease in……stage
**early productive
permanent immunosuppression in mareks disaese which stage??
**cytolytic productive
mareks disease transformed cells show
MATSA
or**mareks associated tumour surface antigen
MAREKS DISEASE affects …..at first stage
phagocytes of thymus splen bursa
after 6 to7 days of primary infection……..stage occurs
latency
in latency stage ……. cells are affected
t cells
secondary cytoytic infection of mareks disease involves
visceral organs
feather follicle epithelium
final changes in mareks disease
lymphoproliferative changes and tumour development
mdv has classical form or
nervous form
acute form of mdv is called
lymphoproliferative syndrome
most common form of mdv is
lymphoproliferative form
the incubation time of marek’s disease
2 weeks
the incubation time of marek’s disease
2 weeks
