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Avian Encephalomyelitis Flashcards (view source)
Revision as of 20:33, 22 June 2011
, 20:33, 22 June 2011no edit summary
<FlashCard questions="6">
<FlashCard questions="6">
|q1=Name some of the syndromes associated with avian adenovirus infections?
|q1=Name the virus that causes avian encephalomyeltits (AE)?
|a1=
|a1=avian encephalomyelitis-like virus 1 (AEV)
|l1=Avian Encephalomyelitis#Introduction
|q2= What are the main economic concerns for breeders and layers about AE
|a2=
*Temporary decrease in egg production in laying hens
*Decrease in egg hatchability
|l1=Avian Adenoviruses#Diseases
*Neurological disease and morbidity /mortality of chicks under three weeks of age
|q2= At what age do adenovirus infections usually present and why?
*Surviving chicks are considered unlikely to be profitable
|a2= Around 4-6 weeks in broilers or 5-9 weeks in layers, because this is when maternal immunity wanes.
|l2=Avian Encephalomyelitis#Introduction
|l2= Avian Adenoviruses#Diseases
|q3= How is AE spread?
|q3= What are the common clinical signs of EDS?
|a3=
|a3=
*Egg drop
*Horizontally via faecal-oral route (main route of infection)
*Pale/hypopigmented egg shells
*Vertical transmission from infected layer to their chicks
|l3= Avian Encephalomyelitis#Introduction
|q4= What species of birds does AE affect?
|a4=
|l3= Avian Adenoviruses#Clinical Signs
*Chickens (main domestic host)
|q4= How can EDS be diagnosed that is different to the other adenoviruses?
*Species of partridge
|a4= By haemagglutination inhibition.
*Turkey
|l4= Avian Adenoviruses#Diagnosis
*Quail
*Guineafowl
*Pheasants
|l4= Avian Encephalomyelitis#Signalment
|q5=How can virus be identified once isolated or innoculated?
|q5=How can virus be identified once isolated or innoculated?
|a5=
|a5=
*Electron miscroscopy
*Electron miscroscopy
*Staining with fluorescent labelled antisera
*Staining with fluorescent labelled antisera
|l5= Avian Adenoviruses#Diagnosis
|l5= Avian Encephalomyelitis#Clinical Signs
|q6= Against which two adenoviruses are vaccines available?
|q6= Against which two adenoviruses are vaccines available?
|a6=
|a6=