Fecha/hora: 31/05/2024 22:24:44

Biblioteca(s): | INIA La Estanzuela.
Fecha corriente: | 09/03/2018
Fecha de la última actualización: | 23/10/2019
Autoria: | CAFFARENA, D.; RABAZA, A.; CASAUX, L.; MACÍAS, M.; SCHILD, C.; MONESIGLIO, C.; FRAGA, M.; GIANNITTI, F.; RIET-CORREA, F.
Afiliación: | RUBEN DARÍO CAFFARENA LEDESMA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANA VIRGINIA RABAZA MARTINEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA LAURA CASAUX, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MELISSA MACÍAS RIOSECO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARLOS SCHILD, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA CECILIA MONESIGLIO DEL ARCO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN FRAGA COTELO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FEDERICO GIANNITTI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título: | Natural lymphatic (atypical) actinobacillosis in cattle caused by Actinobacillus lignieresii.
Año de publicación: | 2018
Fuente/Imprenta: | Journal of Veterinary Diagnostic Investigation, v.30, n.2,p.218-225, 2018.
DOI: | 10.1177/1040638717742621
Idioma: | Inglés
Notas: | Article History: Article first published online: December 4, 2017; Issue published: March 1, 2018.
Contenido: | Abstract. Bovine actinobacillosis is typically characterized by pyogranulomatous glossitis (wooden tongue). The involvement of other tissues, generally the skin or lymph nodes, has been regarded as atypical or cutaneous. We describe herein 2 outbreaks of actinobacillosis affecting primarily the lymph nodes of the head and neck. The disease affected 40 of 540 lactating cows in a dairy herd, and 5 of 335 two-y-old steers in a beef herd. Multiple or single, occasionally ulcerated nodules were observed in the region of the mandible, neck, and shoulder, including the parotid, submandibular, retropharyngeal, and prescapular lymph nodes. The histologic lesions were multifocal pyogranulomatous lymphadenitis, dermatitis, and cellulitis with Splendore?Hoeppli material. One steer had an exophytic pyogranuloma in the gingiva and another died because of ruminal tympany secondary to oropharyngeal and esophageal obstruction by a pyogranulomatous mass. Actinobacillus lignieresii was isolated from the lesions and identified by amplification, sequencing, and analysis of the 16S ribosomal (r)DNA gene. Seven of 8 cows recovered after treatment with sodium iodide. Lymphatic actinobacillosis is a frequent disease in Uruguay, southern Brazil, and Argentina. Morbidity is 1?50%; mortality is <1%. A. lignieresii apparently penetrates the intact oral and pharyngeal mucosa, infecting primarily the regional lymph nodes. Later, lesions may extend to the subcutaneous tissue and the skin, causing ulceration. Affected cattle with draining pyogranulomas contaminate the environment, favoring disease transmission, and should be treated with sodium iodide or antibiotics and isolated from the herd in order to control the disease.
Palabras-Clave: | ACTINOBACILLUS LIGNIERESII; ACTINOBACILOSIS LINFÁTICA; BOVINE; DRAINING ABSCESSES; LENGUA DE MADERA; LYMPHADENITIS; PLATAFORMA SALUD ANIMAL; PYOGRANULOMAS; VACAS LACTANTES.
Thesagro: | BOVINOS; ENFERMEDADES DE LOS ANIMALES; NOVILLOS.
Categoría del tema: | L73 Enfermedades de los animales
Registro original: | INIA La Estanzuela (LE)
Ejemplares: | LE - (102304-1) - PXI - AP - DD -  -  -  - DIS