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Curr Microbiol. 1996 Mar;32(3):129-33.

Quantitative determination of H2-utilizing acetogenic and sulfate-reducing bacteria and methanogenic archaea from digestive tract of different mammals.

Author information

1
Laboratoire de Microbiologie, INRA-C.R. de Clermont-Ferrand-Theix, Saint-Genès-Champanelle, France.

Abstract

Total number of bacteria, cellulolytic bacteria, and H2-utilizing microbial populations (methanogenic archaea, acetogenic and sulfate-reducing bacteria) were enumerated in fresh rumen samples from sheep, cattle, buffaloes, deer, llamas, and caecal samples from horses. Methanogens and sulfate reducers were found in all samples, whereas acetogenes were not detected in some samples of each animal. Archaea methanogens were the largest H2-utilizing populations in all animals, and a correlation was observed between the numbers of methanogens and those of cellulolytic microorganisms. Higher counts of acetogens were found in horses and llamas (1 x 10(4) and 4 x 10(4) cells ml-1 respectively).

PMID:
8704656
[Indexed for MEDLINE]

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