Pulmonary congestion and edema (marble spleen disease) of chickens produced by group II avian adenovirus

"Marble spleen disease" of chickens was diagnosed in 22-week-old chickens. Total mortality was 8.9%. Deaths occurred over a period of 2 months. Gross lesions included pulmonary congestion, splenomegaly, hepatomegaly, and congestion of egg follicles. Microscopic lesions included pulmonary c...

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Bibliographic Details
Published in:Avian diseases 1982-07, Vol.26 (3), p.629-633
Main Authors: Domermuth, C. H., van der Heide, L., Faddoul, G. P.
Format: Article
Language:English
Subjects:
Adenoviridae Infections - pathology
Adenoviridae Infections - veterinary
Animals
Aviadenovirus
Aviadenovirus - isolation & purification
Case Reports
Chickens
Lesions
Lung - pathology
Lung diseases
Poultry Diseases - pathology
Pulmonary edema
Pulmonary Edema - pathology
Pulmonary Edema - veterinary
Respiratory congestion
Spleen
Spleen - pathology
Splenic diseases
Splenomegaly
Splenomegaly - pathology
Splenomegaly - veterinary
Viruses
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Summary:"Marble spleen disease" of chickens was diagnosed in 22-week-old chickens. Total mortality was 8.9%. Deaths occurred over a period of 2 months. Gross lesions included pulmonary congestion, splenomegaly, hepatomegaly, and congestion of egg follicles. Microscopic lesions included pulmonary congestion and edema, and reticuloendothelial cell hyperplasia of the spleen with concurrent white-pulp necrosis and lymphocyte depletion. The pulmonary lesions were of sufficient intensity to have caused the death of fatally affected birds. Many of the hyperplastic reticuloendothelial cells contained basophilic intranuclear inclusions similar to those that characterize hemorrhagic enteritis of turkeys, marble spleen disease of pheasants, and adenovirus group II splenomegaly of chickens. These characteristic lesions, plus serologic identification of the causal virus, indicate that "marble spleen disease" caused by avian group II adenovirus was affecting the flock under study. This appears to be the first report of death of chickens due to pulmonary congestion and edema caused by spontaneous infection with avian group II adenovirus.
ISSN:0005-2086
1938-4351
DOI:10.2307/1589912