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Sulphate-reducing bacteria in bovine faeces

T Carli1, K S Diker, A Eyigor

  • 1Department of Microbiology, Faculty of Veterinary Medicine, Uludag University, Bursa, Turkey.

Letters in Applied Microbiology
|October 1, 1995
PubMed
Summary
This summary is machine-generated.

Sulphate-reducing bacteria (SRB) are prevalent in all examined bovine faeces, with counts varying significantly. All identified isolates belonged to the Desulfovibrio genus, highlighting their importance in cattle gut environments.

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Area of Science:

  • Microbiology
  • Veterinary Science
  • Environmental Science

Background:

  • Sulphate-reducing bacteria (SRB) play crucial roles in biogeochemical cycles.
  • Understanding the prevalence of SRB in livestock is important for animal health and environmental impact assessments.

Purpose of the Study:

  • To investigate the presence and abundance of sulphate-reducing bacteria in bovine faeces.
  • To identify the specific genera of SRB found in cattle.
  • To quantify the microbial load of SRB in bovine fecal samples.

Main Methods:

  • Collection and examination of 200 bovine faecal samples.
  • Enumeration of SRB populations using standard microbiological techniques.
  • Isolation and identification of SRB using biochemical and genetic methods.

Main Results:

  • Sulphate-reducing bacteria (SRB) were detected in 100% of the 200 bovine faeces samples analyzed.
  • SRB counts ranged from 5 x 10^2 to 6 x 10^8 bacteria per gram of faeces.
  • All 50 identified SRB isolates were confirmed to be members of the genus Desulfovibrio.

Conclusions:

  • Sulphate-reducing bacteria, primarily Desulfovibrio, are ubiquitous in bovine faeces.
  • The high prevalence and variable numbers of SRB suggest their significant role in the digestive tract of cattle.
  • Further research is warranted to explore the implications of Desulfovibrio in cattle health and methane production.