Combined adenovirus and rotavirus enteritis with Escherichia coli septicemia in an emu chick (Dromaius novaehollandiae)

A 2-week-old emu chick (Dromaius novaehollandiae) of approximately 200 g body weight was presented for necropsy with a history of weakness, diarrhea, pallor of the head, and acute death. Hemorrhagic enteritis with mild hepatomegaly was noted on gross examination. Microscopic examination revealed nec...

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Bibliographic Details
Published in:Avian diseases 1995-07, Vol.39 (3), p.646-651
Main Authors: Hines, M.E. II (University of Georgia, Tifton, GA.), Styer, E.L, Baldwin, C.A, Cole, J.R. Jr
Format: Article
Language:English
Subjects:
Adenoviridae Infections - veterinary
adenovirus
ADENOVIRUS AVIAR
Adenoviruses
ANIMALES JOVENES
Animals
AVIADENOVIRUS
Bird Diseases - microbiology
Bird Diseases - virology
Birds
Case Reports
EMEU
EMU
Emus
ENTERITE
ENTERITIS
Enteritis - veterinary
Epithelial cells
ESCHERICHIA COLI
Escherichia coli Infections - veterinary
ESTUDIOS DE CASOS PRACTICOS
ETUDE DE CAS
Hemorrhage - veterinary
HISTOPATHOLOGIE
HISTOPATOLOGIA
JEUNE ANIMAL
Necrosis
Ratites
ROTAVIRUS
Rotavirus Infections - veterinary
Sepsis
Sepsis - veterinary
SEPTICEMIA
SEPTICEMIE
SINTOMAS
Spleen
SYMPTOME
Viruses
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Summary:A 2-week-old emu chick (Dromaius novaehollandiae) of approximately 200 g body weight was presented for necropsy with a history of weakness, diarrhea, pallor of the head, and acute death. Hemorrhagic enteritis with mild hepatomegaly was noted on gross examination. Microscopic examination revealed necrohemorrhagic enteritis with intralesional intranuclear basophilic viral inclusion bodies in intestinal epithelial cells; splenic lymphoid necrosis and fibrin exudation; hepatocellular vacuolar change; and multiple clusters of small gram-negative bacilli in the liver, spleen, yolk sac, and intestine. Transmission election microscopy of negatively stained fecal specimens and thin sections of small intestine revealed clusters of viral particles consistent with adenovirus and rotavirus. Attempts at viral isolation from pooled tissue specimens were unsuccessful. Escherichia coli was isolated from specimens of liver and intestine and from an abdominal swab
ISSN:0005-2086
1938-4351
DOI:10.2307/1591823