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Prevalence of Campylobacter jejuni in Selected Domestic and Wild Birds in Louisiana

K. Yogasundram, S. M. Shane and K. S. Harrington
Avian Diseases
Vol. 33, No. 4 (Oct. - Dec., 1989), pp. 664-667
DOI: 10.2307/1591142
Stable URL: http://www.jstor.org/stable/1591142
Page Count: 4
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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 of Campylobacter jejuni in Selected Domestic and Wild Birds in Louisiana
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Abstract

Prevalence of Campylobacter jejuni was determined in a selected population of domestic and free-living birds submitted for necropsy to the Louisiana State Veterinary Medical Diagnostic Laboratory. The 445 cases examined included 13 orders of birds and yielded C. jejuni in 45 cases, representing an isolation rate of 10.1%. Prevalence was highest in Galliformes (25.2%), followed by Anseriformes (12.9%) and Columbiformes (8.3%). Only one isolation was made out of 179 Psittaciformes examined. Penner serotypes 1, 2, 4, and 16 were most commonly identified among the C. jejuni isolates. This study emphasizes the importance of Galliformes as reservoirs of C. jejuni. The commonality of these serotypes with isolates derived from humans suggests the zoonotic potential of Galliformes in relation to human campylobacteriosis. The isolation rate of 12.9% in Anseriformes implicates free-living and migratory waterfowl as carriers of C. jejuni. Results confirm that Psittaciformes represent a low risk of C. jejuni infection in humans. /// Se determinó la prevalencia de Campylobacter jejuni en una población seleccionada de aves domésticas y silvestres presentadas para necropsia al laboratorio de diagnóstico estatal del estado de Louisiana, E.U.A. Los 445 casos examinados incluyeron 13 órdenes de aves y se encontró C. jejuni en 45 casos, representanto una tasa de aislamiento del 10.1%. La prevalencia más alta fue encontrada en Galliformes (25.2%), seguida por Anseriformes (12.9%) y Columbiformes (8.3%). Sólo se hizo un aislamiento a partir de 179 muestras de Psittaciformes examinadas. Entre las cepas de C. jejuni aisladas, los serotipos de Penner 1, 2, 4 y 16 fueron los más comúnmente identificados. Este estudio resalta la importancia de las Galliformes como reservorio de C. jejuni. La similitud de estos serotipos con cepas derivadas de humanos sugiere el potencial zoonótico de las Galliformes en relación a la Campylobacteriosis humana. La tasa de aislamiento del 12.9% en Anseriformes implica a las aves silvestres y acuáticas migratorias como portadoras de C. jejuni. Los resultados confirman que las Psittaciformes representan un bajo riesgo de infección de C. jejuni en humanos.

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