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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What are isolation sources categories?

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. Lymphangiectasia and slight to moderate inflammatory cell infiltration to the actinobcillus lamina propria were noted surrounding the protozoan lesions.

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

In our case, the stress of transportation is a likely predisposing factor for the infection. Name and ligieresii classification. Author information Article notes Copyright and License information Disclaimer. Therefore, additional investigations will be necessary to confirm the difference of pathogenicity among the conventional strains of A.


J Vet Med Sci. Information on culture and growth conditions Culture and growth conditions.

Histological examination revealed that the affected peritoneum of animal 1 was composed of multiple suppurative granulomas Fig. Immunohistochemistry was performed to detect the A. Actinobacillus lignieresiicattle, peritoneal granuloma. Anaplasma phagocytophilum Human granulocytic anaplasmosisAnaplasmosis Ehrlichia chaffeensis Human monocytotropic ehrlichiosis Ehrlichia ewingii Ehrlichiosis ewingii infection. By using this site, you agree to the Terms lignireesii Use and Privacy Policy.

Actinobacillosis – Wikipedia

The isolate was identified as A. The bacteria can cause infection by invading adjacent soft tissues after the development of a penetrating wound. Acid from maltose MAL. An atypical case of respiratory actinobacillosis in a cow.

Acid from D-fructose FRU. Petechial to ecchymotic hemorrhages were observed throughout the lungs. Some coccidial schizonts were observed at the mucosa of the jejunum.

The bacteria isolated from the nodules were confirmed to be Actinobacillus lignieresii based on the results of 16S rRNA gene sequencing and immunohistochemistry.

Tick-borne Rickettsia rickettsii Rocky Mountain spotted fever Rickettsia conorii Boutonneuse fever Rickettsia japonica Japanese spotted fever Rickettsia sibirica North Asian tick typhus Rickettsia australis Queensland tick typhus Rickettsia honei Flinders Island spotted fever Rickettsia africae African tick bite fever Rickettsia parkeri American tick bite fever Rickettsia aeschlimannii Rickettsia aeschlimannii infection. Actinobacillosis is a zoonotic disease caused by Actinobacillus.


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

Two animals died during the ligniegesii quarantine period: Support Center Support Center. Furthermore, multiple granulomas have been detected in the abdomen of cows after Cesarean sections [ 3 ]. Availability in culture collections Strain availability. Only first 5 entries are displayed. Histological examination revealed chronic suppurative granulomatous peritonitis with eosinophilic rosettes surrounding colonies of Gram-negative bacilli.


Atypical distribution of granulomatous lesions with A. A Gram-negative bacillus was isolated from the nodules of the peritoneum, and the isolate was catalase and oxidase positive. The tissues were then incubated with rabbit anti- A. Published online Oct Gross finding of the peritoneum showing extensive adhesion to the intestine. Clinical recognition and treatment of bovine cutaneous actinobacillosis. Information on the name and the taxonomic classification.