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Bovine vegetative endocarditis caused by Streptococcus suis.
Komatsu, Tetsuya; Watando, Eri; Inaba, Nanami; Sugie, Kennosuke; Okura, Masatoshi; Shibahara, Tomoyuki.
Affiliation
  • Komatsu T; Aichi Prefectural Chuo Livestock Hygiene Service Center, 1-306 Jizono, Miaicho, Okazaki, Aichi 444-0805, Japan.
  • Watando E; Aichi Prefectural Chuo Livestock Hygiene Service Center, 1-306 Jizono, Miaicho, Okazaki, Aichi 444-0805, Japan.
  • Inaba N; Aichi Prefectural Chuo Livestock Hygiene Service Center, 1-306 Jizono, Miaicho, Okazaki, Aichi 444-0805, Japan.
  • Sugie K; Aichi Prefectural Chuo Livestock Hygiene Service Center, 1-306 Jizono, Miaicho, Okazaki, Aichi 444-0805, Japan.
  • Okura M; Division of Bacterial and Parasitic Disease, National Institute of Animal Health, National Agriculture and Food Research Organization (NARO), 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan.
  • Shibahara T; Division of Pathology and Pathophysiology, National Institute of Animal Health, National Agriculture and Food Research Organization (NARO), 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan.
J Vet Med Sci ; 80(10): 1567-1571, 2018 Nov 01.
Article in En | MEDLINE | ID: mdl-30210095
A 5-month-old crossbred beef steer died after exhibiting astasia. A postmortem examination revealed verrucous endocarditis and numerous renal hemorrhages. Gram-positive bacteria were identified in the necrotic lesions of the verruca and mitral valve via histopathological analysis. Multifocal necrosis and hemorrhage were detected in the renal cortex. Gram-positive cocci isolated from the verruca were identified via biochemical tests and 16S rRNA gene sequence analysis as Streptococcus suis. Serotyping indicated that the S. suis isolates were untypable, following which these isolates were classified as a new sequence type (ST1000) via multi-locus sequence typing. S. suis is an important pathogen of pigs. However, clinical cases in cattle are rare. This report is intended to provide information that may be useful in the diagnosis of streptococcal disease in cattle.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Streptococcal Infections / Cattle Diseases / Streptococcus suis / Endocarditis, Bacterial Type of study: Prognostic_studies Limits: Animals Language: En Journal: J Vet Med Sci Journal subject: MEDICINA VETERINARIA Year: 2018 Document type: Article Affiliation country: Japan Country of publication: Japan

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Streptococcal Infections / Cattle Diseases / Streptococcus suis / Endocarditis, Bacterial Type of study: Prognostic_studies Limits: Animals Language: En Journal: J Vet Med Sci Journal subject: MEDICINA VETERINARIA Year: 2018 Document type: Article Affiliation country: Japan Country of publication: Japan