Paramyxoviridae Flashcards
Shape of nucleocapsid of paramyxo
Herringbone shaped
Spikes of paramyxovirus composed of
Fusion protein
Haemaglutinin
Fusion protein cell Attachment
Both H N seen on same spike in
Avulavirus
Only haemagglutinins
Morbillivirus
Propogation of paramyxovirus by
Allantoic route
Paramyxoviridae causes
Newcastle
Ppr
Rinderpest
Canine distemper
Synonyms
Ranikhet disease
Doyles disease
Avian pneumoencephalitis
Velogenic strain of newcastle
Hertz 33
Mesogenic strain
Komorov
Mukteswar
Lentogenic form
LaSota, F
Avirulent
V4
Viscerotropic velogenic is called
Doyles form
Acute
Haemorrhagic lesion
Mesogenic or baeudetts form
Lentogenic or hitchners form
Mild
Clinical signs
Viscerotropic strains aymptoms
Anorexia gasping
Greenish watery diarhoea
Paralysis
Watery albumin
Lesions
Haemorrhage in caecal tonsil
Petechea in proventriculuss
Harmorrhage in intestine
Diagnosis
Live birds
Dead birds
Inoculation in allantoic route
Suboccipital haemorrhage
Interdigital haemorrhage in embryo
Cell lines bhk 21 verocells HeLa cells
Cell cultures: chicken embyo fibroblasr
Mean death time
Intracerebral pathogenicity index
Intravenous pathogenicity index
60 60 90 90
0 normal
1 sick
2 dead
Intravenous inoculation
6 weeks
Vaccines
Inactivated formain adjuvanated
Livevaccine lentogenic strain
Mesogenic strain
Thermal
Recombinant
Marker