Bifidobacterium gallinarum sp. nov.: a New Species Isolated from the Ceca of Chickens

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Abstract
B. gallinarum sp. nov. is described. Ten strains of this species were isolated from chicken area. These strains are obligately anaerobic, gram-positive, non-spore-forming, nonmotile, slightly curved, short rod-shaped organisms with pointed ends; the cells occur singly, in pairs and sometimes in short chains. The fermentation products from glucose or fructose are lactic acid and acetic acid in a molar ratio of 1:4.0 .+-. 0.2 in broth. These isolates differ from other species in the genus Bifidobacterium in morphology, carbohydrate fermentation pattern, guanine-plus-cytosine content of DNA and DNA homologies. The type strain of B. gallinarum is Ch206-5 (= ATCC 33777).