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

Atypical cutaneous actinobacillosis in young beef cattle.

Multifocal suppurative granuloma caused by Actinobacillus lignieresii in the peritoneum of a beef steer

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. Histological examination revealed chronic suppurative granulomatous peritonitis with eosinophilic rosettes surrounding colonies of Gram-negative bacilli. The bacte...

Fatal Actinobacillosis in a Dairy Buffalo

Muhammad G. , M. Saqib, M. Athar: Fatal Actinobacillosis in a Dairy Buffalo. Acta Vet. Brno 2006, 75: 247-250. The present report describes a case of fatal actinobacillosis in a dairy buffalo (Bubalus bubalis). Clinical signs included a large multilobular, firm abscess located caudo-ventral to the right ear base, submandiblar and prescapular lymphadenopathy, fever and dyspnoea. Haemogram reveal...

Isolation of Actinobacillus lignieresii and Actinobacillus equuli from laboratory rodents.

Actinobacillus lignieresii and Actinobacillus equuli were cultured from a total of 36 guinea pigs, rats, and mice. The organisms were isolated from the oropharynx, the conjunctiva, and middle ear. Isolates were initially screened by eight biochemical tests to determine whether they were of the genus Actinobacillus. Actinobacillus spp. were then differentiated by fermentation reactions of nine c...

Atypical actinobacillosis in bulls in Argentina: granulomatous dermatitis and lymphadenitis1

Margineda C.A., Odriozola E., Moreira A.R., Cantón G., Micheloud J.F., Gardey P., Spetter M. & Campero C.M. 2013. Atypical actinobacillosis in bulls in Argentina: granulomatous dermatitis and lymphadenitis. Pesquisa Veterinária Brasileira 33(1):1-4. Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Ruta 226 Km 73,5 (7620) Balcarce, Argentina. E-m...