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Fermentative activities of some members of the normal coccal flora of the horse's large intestine



Fermentative activities of some members of the normal coccal flora of the horse's large intestine



Journal of Comparative Pathology 62(4): 252-259



Streptococci capable of fermenting lactose and starch were isolated from the large colon contents of fistulated ponies. They are serologically distinguishable from other types and form a capsule which is easily demonstrated by the capsular swelling reaction of Neufeld. It is clear that Streptococcus equinus of fecal origin is not the only streptococcus to be found in the colon of the horse. The colon also contains the Gram-negative coccus Veillonella gazogenes which ferments no sugars but only lactate to volatile fatty acids. The authors suggest that the fact the streptococcus of horse dung differs so markedly from the organisms isolated from the colon may be due to the selective feeding on the part of ciliate protozoa.

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Accession: 013711064

Download citation: RISBibTeXText

PMID: 12999997

DOI: 10.1016/s0368-1742(52)80026-8


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