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Antibody Prevalence and Isolation of Chlamydia psittaci from Pigeons (Columba livia)

J. Salinas, M. R. Caro and F. Cuello
Avian Diseases
Vol. 37, No. 2 (Apr. - Jun., 1993), pp. 523-527
DOI: 10.2307/1591681
Stable URL: http://www.jstor.org/stable/1591681
Page Count: 5
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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.
Antibody Prevalence and Isolation of Chlamydia psittaci from Pigeons (Columba livia)
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Abstract

The isolation of Chlamydia psittaci and serological detection of Chlamydia specific antibodies in racing pigeons and pigeons from public parks is described. Several serological methods (complement fixation test, indirect microimmunofluorescence test, and enzyme-linked immunosorbent assay) were compared with bacteriological techniques (isolation both in embryonated eggs and McCoy cell monolayers). Tests confirmed that 28.6%, 33.5%, and 35.9% of the pigeons, respectively, were seropositive by the tests mentioned above. Chlamydiae were isolated from 13% of the fecal specimens in ovocultures and from 18% of the fecal specimens in cell cultures. No significant differences between the two groups of pigeons were found (at a 95% confidence level, α = 0.05) using the hypothesis test of the difference between proportions of two populations. The serological and bacteriological techniques used are compared and discussed. /// Se describe el aislamiento y la detección serológica de anticuerpos específicos contra Chlamydia psittaci en palomas de carreras y en palomas procedentes de parques públicos. Se compararon varios métodos serológicos (prueba de fijación de complemento, prueba de inmunofluorescencia indirecta e immunoensayo con enzimas asociadas) con técnicas bacteriológicas (aislamiento en huevos embrionados y cultivo de células McCoy). Los resultados de seropositividad en el total de las palomas fueron del 28.6%, 33.5%, y 35.9%, respectivamente, para las tres pruebas serológicas mencionadas anteriormente. La Chlamydia se aisló en embriones del 13% de las muestras fecales y en cultivos de células del 18% de las muestras fecales. No hubo diferencias significantes entre los dos grupos de palomas (nivel de confianza de 95%, α = 0.05) usando la prueba de la hipótesis de diferencias entre dos poblaciones. Se comparan y se discuten las técnicas bacteriológicas y serológicas usadas.

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