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Nervous signs associated with otitis and cranial osteomyelitis and with Ornithobacterium rhinotracheale infection in red-legged partridges (Alectoris rufa)

Investigation article published in Avian Pathology: journal of the W.V.P.A

October 1st, 2009

A case of nervous signs in red-legged partridges (Alectoris rufa) associated with a severe otitis and osteomyelitis is reported. The outbreak was characterized by abnormal head position, torticollis and difficulty in standing, walking and flying. Pathological, microbiological and molecular genetic data supported an association with Ornithobacterium rhinotracheale (ORT) infection. Clinical signs persisted for several days and were accompanied by weight loss leading to death. Morbidity was approximately 20% and most birds died if untreated. Lesions were mainly characterized by a severe osteomyelitis of the cranial bones and purulent inflammation of the external, middle and inner ears. O. rhinotracheale was isolated from ear samples, skull and brain stem in pure culture. Genetic characterization by pulsed-field gel electrophoresis of the clinical isolates showed that the outbreak was caused by a single strain of ORT. This appears to be the first report of otitis associated with ORT in an avian species




Moreno B., Chacon G., Villa A., Fernandez A., Vela AI., Fernandez-Garayzabal JF., Ferre S. and Gracia E.




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Nervous signs associated with otitis and cranial osteomyelitis and with Ornithobacterium rhinotracheale infection in red-legged partridges (Alectoris rufa)

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Nervous signs associated with otitis and cranial osteomyelitis and with Ornithobacterium rhinotracheale infection in red-legged partridges (Alectoris rufa)


Participants:

Universidad ComplutenseServicio de Identificación y Caracterización Microbiana (ICM). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

Nanta, S.A.

Laboratorio ExopolLaboratorio Exopol.







Avian Pathology: journal of the W.V.P.A
FACTOR YEAR Q
1.654 2009

NLMID: 8210638

PMID: 19937521

ISSN: 0307-9457



TITLE: Nervous signs associated with otitis and cranial osteomyelitis and with Ornithobacterium rhinotracheale infection in red-legged partridges (Alectoris rufa)


JOURNAL: Avian Pathol.


NUMERACIÓN: 38 (5): 341 - 347


AÑO: 2009


PUBLISHER: Taylor & Francis


AUTHORS: Moreno B., Chacon G., Villa A., Fernandez A., Vela AI., Fernandez-Garayzabal JF., Ferre S. and Gracia E.


VISAVET PARTICIPANTS


5th
Ana Isabel Vela Alonso
6th
José Francisco Fernández-Garayzabal Fernández

DOI: https://doi.org/ 10.1080/03079450903183686


CITE THIS PUBLICATION:

Moreno B., Chacon G., Villa A., Fernandez A., Vela AI., Fernandez-Garayzabal JF., Ferre S. and Gracia E. Nervous signs associated with otitis and cranial osteomyelitis and with Ornithobacterium rhinotracheale infection in red-legged partridges (Alectoris rufa). Avian Pathology: journal of the W.V.P.A. 38 (5): 341 - 347. 2009. (A). ISSN: 0307-9457. DOI: 10.1080/03079450903183686


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