Characterization and identification of Vagococcus fluvialis strains isolated from domestic animals.

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Abstract
Strains of Vagococcus fluvialis, a species of Gram‐positive catalase‐negative cocci, related to the genera Enterococcus and Carnobacterium, were isolated from various lesions of pigs, from lesions and tonsils of cattle and cats and from tonsils of a horse. Most lesion strains were isolated in mixed culture from animals with disease conditions unrelated to coccal infection. Certain differences with the species description of Vagococcus fluvialis were found: only a proportion of the strains was motile; many strains gave positive reactions to Voges‐Proskauer, alkaline phosphatase and leucine arylamidase tests or produced acid from galactose and D‐tagatose. SDS‐PAGE of whole‐cell protein patterns, however, confirmed the phenotypic identification. Guidelines for identification of Vagococcus fluvialis are given and an emended description of the species is proposed.

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