Otitis interna (labyrinthitis) associated with Salmonella enterica arizonae in turkey poults

Avian Diseases
H L ShivaprasadR M Crespo

Abstract

Otitis interna was diagnosed in five 9-to-21-day-old turkey poults with clinical signs of paralysis, opisthotonus, torticollis, blindness, and increased mortality. Gross and microscopic lesions in the poults included omphalitis, typhlitis, hepatitis, meningoencephalitis, ophthalmitis, neuritis and ganglionitis of the vestibulocochlear nerve, and otitis interna. Salmonella enterica arizonae was isolated from the brains, eyes, intestines, yolk sacs, and livers of poults. Birds with otitis interna also had meningoencephalitis. It is most likely that the S. enterica arizonae infection spread from the brain to the internal ears through the vestibulocochlear nerve. This is the first documentation of otitis interna caused by bacteria in an avian species.

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Citations

Sep 24, 2015·Anatomia, histologia, embryologia·A BonsmannJ-M Hatt
Mar 25, 2016·Avian Pathology : Journal of the W.V.P.A·F A UzalH L Shivaprasad
Aug 22, 2018·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Manuela CrispoSimone T Stoute

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Methods Mentioned

BETA
light microscopy
enzyme-linked immunosorbent assay

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