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Prevalence and Pathogenicity of Aeromonas hydrophila

S. M. Shane and D. H. Gifford
Avian Diseases
Vol. 29, No. 3 (Jul. - Sep., 1985), pp. 681-689
DOI: 10.2307/1590659
Stable URL: http://www.jstor.org/stable/1590659
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Prevalence and Pathogenicity of Aeromonas hydrophila
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Abstract

A field survey to determine the prevalence of Aeromonas hydrophila revealed a recovery rate of 8% in 141 specimens derived from a range of live, companion, and exotic avian species. The prevalence rate was similar in 240 sequential postmortem submissions during 1984. Studies on the pathogenicity of A. hydrophila showed that 2-to-4-day-old chicks and turkey poults were highly susceptible to exposure via the subcutaneous, yolk-sac, and intracerebral routes, and mortality of 80-100% occurred within 48 hours of inoculation. Ducklings aged 4 days were generally refractory to exposure. /// Un estudio a campo para demostrar la prevalencia de Aeromonas hydrophila en aves vivas demostró un porcentaje de aislamiento del 8% en 141 muestras provenientes de diversas aves mascota y de especies aviares exóticas. Un porcentaje similar fué determinado en 240 muestras recibidas para necropsia durante 1984. Los estudios sobre la patogenicidad de A. hydrophila demostraron que pollos y pavos de 2 a 4 días de edad fueron muy susceptibles a la infección por las vías subcutánea, del saco vitelino e intracerebral, con mortalidades del 80-100% durante las 48 horas posteriores a la inoculación. Patos de 4 días de edad fueron generalmente resistentes a la infección.

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