BOVINE RUMENITIS-LIVER ABSCESS COMPLEX - A BACTERIOLOGICAL REVIEW

  • 1 January 1983
    • journal article
    • review article
    • Vol. 73  (3) , 288-297
Abstract
Fusobacterium necrophorum is considered to be a member of the normal rumen flora and is the primary etiologic agent of bovine liver abscesses. Of the 3 biotypes of F. necrophorum (A, B and C), only biotypes A and B have been implicated in the disease. Type B is the predominant biotype isolated from ruminal lesions and type A is the predominate biotype isolated from liver abscesses. Type A is usually found in pure culture in the liver abscesses, whereas, type B is usually found in mixed culture with either type A or with other bacterial species. Corynebacterium pyogenes, Streptococcus spp., Staphylococcus spp. and Bacteroides spp. are the most prevalent bacteria recovered from mixed cultures. C. pyogenes is the most common species isolated and can cause disease synergistically with type B isolates.

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