View source for Infectious Pancreatic Necrosis Flashcards

<FlashCard questions="6">
|q1= In what fish is IPN most important?
|a1= 
*Salmon
*Trout
|l1= Infectious Pancreatic Necrosis#Signalment
|q2= How is disease transmitted?
|a2= 
*Virus is shed into the water in urine and faeces and passed to susceptible fish
*Vertical transmission also occurs
|l2= Infectious Pancreatic Necrosis#Distribution
|q3= By what age are fish usually resistant/immune to IPN?
|a3= 1500 Degree days
|l3= Infectious Pancreatic Necrosis#Signalment
|q4= What are the clinical signs of IPN?
|a4= Signs are non-specific and include:
*Darkened skin
*Mortalities
*Inappetance
*Abdominal distension
*Erratic swimming
*Pinpoint haemorrhages 
*Exophthalmos
|l4= Infectious Pancreatic Necrosis#Clinical Signs
|q5=How can the virus be isolated?
|a5= From teleost cell cultures
|l5= Infectious Pancreatic Necrosis#Diagnosis
|q6= What are the Histopathological changes characteristic of IPN?
|a6=
* Focal necrosis of pancreatic acinar and islet cells.
*Icosahedral viral particles can be seen within the cytoplasm of infected cells
|l6= Infectious Pancreatic Necrosis#Diagnosis
|q7= What control measures can be implemented for IPN?
|a7=
*Testing and culling of positive broodstock
*Use of a protected water supply for eggs and fry
*Egg disinfection
*Avoidance of population mixing 
|l7= Infectious Pancreatic Necrosis#Control
</FlashCard>
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