Short virus topics T/F 2 Flashcards
Marek’s disease only occurs in domestic fowl
False?
Marek’s disease spreads primarily via the aerogen
True
Marek’s disease virus is shed mainly via the faeces
False
Free marek virus are shed from feather follicles
True
The acute form of marek disease is charaterised by lymphoid cell proliferation
True
Marek’s disease in the tropics is rare
False
The chronic form of mareks disease is characterised by neurological disorders
True
MD severity depends on time of infection (age)
True
Neurological form of MD is frequent
False
MD is usally seen in chicks below 2 weeks
True
Marek disease in the blood multiplies in the endothelial cells
False
Marek disease is a beta herpes virus
False
MDV spread primarily germinatively
False
Marek’s disease primarily targets day old chickens
False
The neoplastic form of Marek disease is caused by high virulence strains
True
Vaccination is used for the prevention of Marek´s disease
True
The neoplastic form of Marek’s is caused by low virulence strains
False
Can differentiate MD from rethiculoendotheliosis only by lab diagnostics methods
True
Prevention: No measures needed as the Marek disease remains mostly symptomless
False
Preventative measures and vaccination of day old chickens must be used for the prevention of MDV
True
Live attenuated strains are used for vaccination for MD
True
No vaccination is needed against Marek’s disease
False
North America is free of Marek’s disease
False
Turkey herpesvirus can be used for vaccination against Marek\s disease
True