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Clinical Signs: 
Edema (feet); Hemorrhages (legs).
Morphologic diagnosis: 
Leg (subcutaneous tissue) (upper bird): Severe diffuse acute hemorrhage. Leg (subcutaneous tissue) (lower bird): Moderate acute locally extensive hemorrhage.
Clinical description: 
This image was taken 4 days post experimental inoculation with highly pathogenic avian influenza. A comparison of 2 birds with HPAI showing the different degree of hemorrhages on the shanks.
Pathologic description: 
These two legs are from two different birds. The lower leg shows a large area of hemorrhage over the intertarsal joint. In the upper leg, there is more extensive hemorrhage over the intertarsal joint, the skin overlying the tarsometatarsus, and digital and metatarsal pad.
Record number: 
20957
Case number: 
5047
Age: 
16 weeks
Breed: 
White Leghorn SPF
Clinical form: 
Acute
Infection type: 
Experimental
History: 
The photograph was taken 4 days 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.
Housing/mgmnt type: 
Select One
Priority: 
1
Rights: 
© Cornell University
Etiology: 
Asset type: 
Image: