Homogeneity of characteristics of Pasteurella multocida isolated from turkeys and wildlife in California, 1985-88

Five hundred twenty isolates of Pasteurella multocida, collected in California from September 1985 to November 1988, were characterized in the laboratory. Characteristics examined included serotype, capsular type, biotype (subspecies), and possession of plasmid DNA. Three hundred thirty-three isolat...

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Veröffentlicht in:Avian diseases 1990-04, Vol.34 (2), p.315-320
Hauptverfasser: Snipes, K.P. (University of California, Davis, CA), Hirsh, D.C, Kasten, R.W, Carpenter, T.E, Hird, D.W, McCapes, R.H
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Sprache:eng
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Zusammenfassung:Five hundred twenty isolates of Pasteurella multocida, collected in California from September 1985 to November 1988, were characterized in the laboratory. Characteristics examined included serotype, capsular type, biotype (subspecies), and possession of plasmid DNA. Three hundred thirty-three isolates recovered from turkeys dying from fowl cholera, 88 isolates from live turkeys in flocks with fowl cholera outbreaks in the recent past, and 99 isolates from wildlife captured on fowl cholera-outbreak and non-outbreak turkey premises were studied in this manner. Characteristics were fairly homogeneous among isolates, especially those obtained from turkeys. The majority of isolates were serotype 3,4, capsular type A, subspecies multocida, and lacked plasmid DNA. Common serotypes of isolates from turkeys and wildlife sampled on the same premises were noted in eight of 13 cases examined. /// Se caracterizaron en el laboratorio 520 cepas de Pasteurella multocida aisladas en California desde Septiembre de 1985 hasta Octubre de 1988. Las características examinadas incluyeron el serotipo, el tipo de cápsula, el biotipo (subespecie) y la presencia de ADN plásmido. De esta manera se estudiaron 333 cepas aisladas de pavos moribundos de cólera aviar, 88 cepas aisladas de pavos vivos en lotes con brotes de cólera, y 99 cepas aisladas de aves salvajes capturadas en áreas con y sin brotes de cólera. Las características fueron muy homogéneas entre las cepas aisladas, especialmente entre las cepas aisladas de pavos. La mayoría de las cepas correspondieron al serotipo 3,4, cápsula tipo A, subespecie multocida, y sin presencia de plásmido. En ocho de los 13 casos examinados, se observaron serotipos comunes aislados de pavos y de aves salvajes localizados en la misma área.
ISSN:0005-2086
1938-4351
DOI:10.2307/1591413