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3.3.08.DSC_0305.JPG

Clinical Signs: 
Edema and congestion (comb)
Morphologic diagnosis: 
Comb: Acute edema and congestion
Clinical description: 
This image was taken 1 day post experimental inoculation with highly pathogenic avian influenza. The subcutaneous swelling of the comb, seen here, is a common finding associated with AI virus replication and necrosis of vascular endothelial cells.
Pathologic description: 
The comb of this bird is irregularly swollen and the more swollen areas are redder than the surrounding tissue.
Record number: 
20365
Case number: 
5005
Age: 
70 weeks
Breed: 
White Leghorn SPF
Clinical form: 
Acute
Infection type: 
Experimental
History: 
The photograph of this bird was taken 1 day post inoculation. The bird was experimentally inoculated with highly pathogenic avian influenza virus on 3/2/08 at Plum Island Animal Disease Center. The inoculation was performed in the caudal thoracic air sac with strain A/CK/PA/469/3-84/H5N2, using 0.25ml.
Zootechnical purpose: 
Egg layers- white egg
Zootechnical purpose type: 
Commercial
Priority: 
1
Rights: 
© Cornell University
Etiology: 
Tissues and organs: 
Asset type: 
Image: