Natural lymphatic (“atypical”) actinobacillosis in cattle caused by Actinobacillus lignieresii. Caffarena RD(1)(2), Rabaza A(1)(2), Casaux L(1)(2). Actinobacillosis is a globally prevalent infectious animal disease caused by Gram -negative bacilli of the genus Actinobacillus. Actinobacillus lignieresii is a. Species/Subspecies: Actinobacillus lignieresii. Etymology: Genus name: small ray rod (ray refers to the histological picture of radially localized club-like.

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Exclude text mining derived information. One of the most common forms seen by veterinarians is mouth actinobacillosis of cattledue to Actinobacillus lignieresii. Acknowledgments The authors thank Mr. Atypical cutaneous lifnieresii in young beef cattle.

Atypical actinobacillosis in bulls in Argentina: Some coccidial schizonts were observed at the mucosa of the jejunum. The isolate was assayed for susceptibility to 7 antibiotics: The mesenteric lymph nodes were moderately swollen. Actinobacillosis is a zoonotic disease caused by Actinobacillus. By using this site, you agree to the Terms of Use and Privacy Policy. This page was last edited on 1 Octoberat Rickettsia typhi Murine typhus Rickettsia prowazekii Epidemic typhusBrill—Zinsser diseaseFlying squirrel typhus.

Natural lymphatic (“atypical”) actinobacillosis in cattle caused by Actinobacillus lignieresii.

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Natural lymphatic (“atypical”) actinobacillosis in cattle caused by Actinobacillus lignieresii.

Young cattle are at a risk for infection and may develop the characteristic lesions in a few days [ 8 ]. 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.


No clinical abnormalities were observed in remaining cattle. Information on possible application of the strain and its possible interaction with e.

Availability in culture collections Strain availability. Actinobacillosis in bovine caesarean sections. Author information Article notes Copyright and License information Disclaimer.

Click here to see all. The injury results in different forms and locations of the disease depending on the location of the tissue. These lesions had been confused with neoplasms, nasal polyps or exuberant granulation tissue [ 7 ].

External links Search for species Actinobacillsu lignieresii in external resources: Multiple or single, occasionally ulcerated lignierezii were observed in the region of the mandible, neck, and shoulder, including the parotid, submandibular, retropharyngeal, and prescapular lymph nodes.

Actinobacillosis – Wikipedia

Distilled water make up to Received Aug 1; Accepted Oct 5. Pseudomonas aeruginosa Pseudomonas infection Moraxella catarrhalis Acinetobacter baumannii. For referencing data from this strain:. The bacteria isolated from the nodules were confirmed to be Actinobacillus lignieresii based on the results of 16S rRNA gene sequencing and immunohistochemistry.

Information on culture and growth conditions Culture and growth conditions. However, the infection may not be limited to the oral cavity linieresii tongue, and can spread to the adjacent soft tissues of the mouth and regional lymph nodes [ 8 ].


Actinobacillus lignieresiicattle, peritoneal granuloma. Anaplasma phagocytophilum Human granulocytic anaplasmosisAnaplasmosis Ehrlichia chaffeensis Human monocytotropic ehrlichiosis Ehrlichia ewingii Ehrlichiosis ewingii infection.

The infection is most commonly caused by abrasions on different soft tissues through which the bacteria, Actinobacillus lignieresii, enters. Name and taxonomic classification. In our case, the stress of transportation is a likely predisposing factor for the infection. No gross lesions were found in other organs, including the brain and spinal cord.


A Gram-negative bacillus was isolated from the nodules of the peritoneum, and the isolate was catalase and oxidase positive. In the case reported actinobadillus, tuberculosis, nocardiosis and actinomycosis were also suspected for a differential diagnosis, however, immunohistochemical analysis and isolation, identification and genetic sequencing of isolate denied these diseases and confirmed the diagnosis of A.

An imported crossbred Angus beef steer aged eight to twelve months died suddenly on the eighth day of a quarantine period in Japan. Atypical actinobacillosis granulomas in cattle.

Gross examination showed the peritoneum and mesentery consisted of numerous nodules of various sizes. Lymphatic actinobacillosis is a frequent disease in Uruguay, southern Brazil, and Argentina.