Abstract

18 isolates from pigs suspected to be B. bronchiseptica were submited to citrate, oxidase, catalase, production of H2S and indole, acid production from glucose, lactose, manose, inositol, sorbitol, rhamnose, sucrose, melobiose and arabinose biochemical tests. Urease and motility tests were performed on MIU culture media in both modulating and non-modulatig conditions. The obtained biochemical profile (positive reactions for oxidase, catalase production; urease production and motility in modulating conditions; utilisation of the sodium citrate as a single carbon source; negative reactions for acid production in the slant or butt of TSI agar; H2S production in the TSI agar; acid production from manose, inositol, sorbitol, rhamnose, sucrose, melobiose and arabinose in the column of OF culture media; urease and mobility in MIU culture media in non- modulating conditions) matched 100% the biochemical profile of B. bronchiseptica witch combined with the fact that all strains had tipical B. bronchiseptica colonial morphology on MacConkey agar allowed us to identify the studied strains as B. bronchiseptica.

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