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tissue_organ_import: 
Ovary: congestion, hemorrhage, follicular atresia.
Morphologic diagnosis: 
Ovary: Acute congestion and hemorrhage with follicular atresia
Clinical description: 
This image was taken 2 days post experimental inoculation with highly pathogenic avian influenza. In HPAI, ovaries such as this one, may become hemorrhagic with ova involution and degeneration.
Pathologic description: 
This ovary contains follicles in numerous stages of development. The follicular vessels are congested and in some areas the follicles and intrafollicular spaces are dark red. Several of the large follicles are flaccid and some are collapsed (atresia).
Record number: 
20793
Case number: 
5005
Age: 
70 weeks
Breed: 
White Leghorn SPF
Clinical form: 
Acute
Infection type: 
Experimental
History: 
The photograph was taken 2 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: 
Tissues and organs: 
Asset type: 
Image: