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Corynebacterium pseudotuberculosis infection and lymphadenitis (taloa or mala) in the camel

Infection aCorynebacterium pseudotuberculosis et lymphadenite (taloa ou mala) chez le che chameau

Infeccion por Corynebacterium pseudotuberculosis y linfadenitis (taloa o mala) en el camello

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Summary

Pure cultures of Corynebacteruimpseudotuberculosis were obtained from 11 cases of lumphadenitis (known locally as taloa or mala) in camels. Camel isolates produced typical taloa in camel esperimentally inoculated subcutaneously at the base of the external ear with 1010 colony forming units. A sheep strain ofC. pseudotuberculosis inoculated into camels produced a local abscess at the site of inoculation but did not produce taloa. Re-infection of camels recovered from experimental inoculation did not produce taloa suggesting the possibility of the development of a vaccine against lymphadenitis in camels.

Résumé

On a obtenu des cultures pures deCorynebacterium pseudotuberculosis à partir de 11 cas de lymphadénite (dénommée localement taloa ou mala) chez des chameaux. L’inoculation expérimentale des isolements camelins faite en infection sous-cutanée à la base de l’oreille externe avec 1010 unités formant des colonies a provoqué un taloa typique. Une souche ovine de C.pseudotuberculosis inoculée à des chameaux n’a conduit qu’à formation d’un abeès local au point d’inoculation mais pas au taloa. La réinfection des chameaux guéris d’une inoculation expérimentale ne provoque pas de taloa, ce qui permet d’augurer la possibilité de développement d’un vaccin contre la lymphad]'enite cameline.

Resumen

sc obtuvieron cultivos puros deCorynebacterium pseudotuberculosis a partir de 11 casos de linfadenitis (conocida localmente como taloa o mala) en camellos. La inoculación subcutánea en camellos en la base de la oreja de 1010 unidades formadoras de colonias procedentes de un cuitivo obtenido de camellos infectados causó taola. Sin embargo, una cepa ovina de C.pseudotubercuiosis causó un abceso en el lugar de la inoculación pero no produjo taola en camellos. La reinfección de los camellos que se hablan recupcrado de la inoculación experimental no causó taola, 1o que sugiere la posibilidad de desarrollar una vacuna frente a la linfadenitis caseosa del camello.

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Afzal, M., Sakir, M. & Majid Hussain, M. Corynebacterium pseudotuberculosis infection and lymphadenitis (taloa or mala) in the camel. Trop Anim Health Prod 28, 158–162 (1996). https://doi.org/10.1007/BF03030838

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  • DOI: https://doi.org/10.1007/BF03030838

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