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Dehority BA, Grubb JA. Bacterial population adherent to the epithelium on the roo of the dorsal rumen of sheep. Appl Environ Microbiol. 1981;41(6):1424-7doi: 10.1128/aem.41.6.1424-1427.1981.
Dehority, B. A., & Grubb, J. A. (1981). Bacterial population adherent to the epithelium on the roo of the dorsal rumen of sheep. Applied and environmental microbiology, 41(6), 1424-7. https://doi.org/10.1128/aem.41.6.1424-1427.1981
Dehority, B A, and Grubb, J A. "Bacterial population adherent to the epithelium on the roo of the dorsal rumen of sheep." Applied and environmental microbiology vol. 41,6 (1981): 1424-7. doi: https://doi.org/10.1128/aem.41.6.1424-1427.1981
Dehority BA, Grubb JA. Bacterial population adherent to the epithelium on the roo of the dorsal rumen of sheep. Appl Environ Microbiol. 1981 Jun;41(6):1424-7. doi: 10.1128/aem.41.6.1424-1427.1981. PMID: 16345797; PMCID: PMC243934.
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Appl Environ Microbiol. 1981 Jun;41(6):1424-7. doi: 10.1128/aem.41.6.1424-1427.1981.

Bacterial population adherent to the epithelium on the roo of the dorsal rumen of sheep.

Applied and environmental microbiology

B A Dehority, J A Grubb

Affiliations

  1. Department of Animal Science, Ohio Agricultural Research and Development Center, Wooster, Ohio 4469.

PMID: 16345797 PMCID: PMC243934 DOI: 10.1128/aem.41.6.1424-1427.1981

Abstract

By anaerobic procedures, the total number of adherent bacteria was determined on tissue samples obtained from the roof of the dorsal rumen of three sheep. After four washings, 1.91 x 10, 0.34 x 10, and 1.23 x 10 bacteria per cm were still attached to the rumen epithelium in sheep 1, 2, and 3, respectively. A total of 95 strains of bacteria were isolated from these three samples. Based on morphology, Gram stain, anaerobiosis, motility, and fermentation end products, they were presumptively identified as follows: Butyrivibrio fibrisolvens, 30 strains; atypical Butyrivibrio, 5 strains; Bacteroides ruminicola, 22 strains; Lactobacillus, 1 strain; and unknown Bacteroides species, 37 strains. For sheep 3, washing the rumen epithelium a total of 10 times reduced the adherent bacterial population by 93% (8.4 x 10 bacteria per cm). Of 30 strains isolated from this sample, 22 were presumptively identified as Butyrivibrio and Bacteroides types. These results suggest that the epithelium on the roof of the dorsal rumen is primarily colonized by two genera of bacteria, Butyrivibrio and Bacteroides. Most Butyrivibrio and Bacteroides ruminicola strains appeared to be similar to previously isolated rumen strains. However, the unknown Bacteroides species differed considerably from the three species of this genus which are commonly isolated from rumen contents.

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