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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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Information on culture and growth conditions Culture and growth conditions. The tissues were then incubated with rabbit anti- A. Exclude text mining derived information. This type of A.

In our case, the stress of transportation is a likely predisposing factor for the infection. Pseudomonas aeruginosa Pseudomonas infection Moraxella catarrhalis Acinetobacter baumannii.

Thus, a diagnosis of atypical actinobacillosis caused by A. Bovine actinobacillosis is typically characterized by pyogranulomatous glossitis wooden tongue.

It is more commonly associated with animals than with humans.

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

Gross finding of the peritoneum showing extensive adhesion to the intestine. Name and taxonomic classification. Journal of Veterinary Medicine, Series A.

The histologic lesions were multifocal pyogranulomatous lymphadenitis, dermatitis, and cellulitis with Splendore-Hoeppli material. Atypical distribution of granulomatous lesions with A.

The bronchiolar lumen contained a small amount of red blood cells, necrotic cells, bacterial colonies and food debris, and moderate diffuse congestion was observed in the lung. The colonies were Gram-negative bacilli on Gram stain, and those were surrounded by neutrophils, macrophages and fibroblasts and showed evidence of neovascularization Fig.


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. Infectious diseases Bacterial disease: Actinobacillosis is a globally prevalent infectious animal disease caused by Gram-negative bacilli of the genus Actinobacillus. One of the most common forms seen by veterinarians is mouth actinobacillosis of cattledue to Actinobacillus lignieresii.

Immunohistochemistry analysis demonstrated that the Gram-negative bacilli identified in the asteroid bodies of the suppurative granulomas reacted with the antibody against A. Prokaryotic Nomenclature Up-to-date – compilation of all names of Bacteria and Archaea, validly published according to the Bacteriological Code since 1. The commensal bacteria is also commonly found in the oral cavity, gastrointestinal tract, and reproductive tract, sometimes resulting in disease.


We describe herein 2 outbreaks of actinobacillosis affecting primarily the lymph nodes of the head and neck. Actinobacillus lignieresii infection after a horse bite. Abstract An imported crossbred Angus beef steer aged eight to twelve months died suddenly on the eighth day of a quarantine period in Japan.

Gross examination showed the peritoneum and mesentery consisted of numerous nodules of various sizes. All articles with dead external links Articles with dead external links from October Articles with permanently lognieresii external links Infobox medical condition. 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. A Gram-negative bacillus was isolated from the nodules of the peritoneum, and the isolate was catalase and oxidase positive.

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Only first 5 entries are displayed. This page was last edited on 1 Octoberat Retrieved 7 October Author information Article notes Copyright and License information Disclaimer. Actinobacillus suis is an important disease of pigs of all ages and can lignieeresii to severe morbidity and sudden death.

The involvement of other tissues, generally the skin or lymph nodes, has been regarded as atypical or cutaneous. 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 species and their role in animal disease. Rickettsia felis Flea-borne spotted fever.

Actinobacillosis – Wikipedia

Vibrio cholerae Cholera Vibrio vulnificus Vibrio parahaemolyticus Vibrio alginolyticus Plesiomonas shigelloides. Some coccidial schizonts were observed at the mucosa of the jejunum.

The susceptibility of this bacterium to sulfamethoxazole-trimethoprim is important, because of the rare zoonotic potential actunobacillus A.

The isolate was identified as A. Immunohistochemistry was performed to detect the A. Actinobacillosis of the omentum in a cow.

Two animals died during the day quarantine period: Eosinophilic club-like spicules asteroid bodies contain bacterial colonies. However, the infection may not be limited to the oral cavity and tongue, and can spread to the adjacent soft tissues of the mouth and regional lymph nodes [ 8 ]. Klebsiella pneumoniae RhinoscleromaKlebsiella pneumonia Klebsiella granulomatis Granuloma inguinale Klebsiella oxytoca Escherichia coli: