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, 15:36, 29 June 2011
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'''Shown above is the presenting lesion in a bird from a group with several affected individuals.'''
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<FlashCard questions="4">
|q1= What is your primary differential diagnosis?
|a1= Poxvirus infection of the conjunctiva and periorbital skin.
|l1= Poxvirus Skin Infections
|q2= List several possible differential diagnoses.
|a2= In psittacines, circovirus – PBFD – must also be considered as a similar lesion can be seen.
In all birds, other infectious diseases, hypersensitivity, and trauma should be ruled out.
|l2= Poxvirus Skin Infections
|q3= What is necessary to make a definitive diagnosis?
|a3= A definitive diagnosis is made histologically by observing the characteristic intracytoplasmic inclusion bodies in epithelial cells.
|l3= Poxvirus Skin Infections
|q4= How is the disease transmitted?
|a4= The disease can spread by direct contact and by biting insects; control of the latter may be necessary to stop an outbreak.
|l4= Poxvirus Skin Infections
</FlashCard>
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