Annals of Microbiology

, Volume 68, Issue 1, pp 1–8 | Cite as

In vitro rumen fermentation of soluble and non-soluble polymeric carbohydrates in relation to ruminal acidosis

  • DarwinEmail author
  • Anne Barnes
  • Ralf Cord-Ruwisch
Original Article


The end-products of dietary carbohydrate fermentation catalysed by rumen microflora can serve as the primary source of energy for ruminants. However, ruminants provided with continuous carbohydrate-containing feed can develop a metabolic disorder called “acidosis”. We have evaluated the fermentation pattern of both soluble monomeric and non-soluble polymeric carbohydrates in the rumen in in vitro fermentation trials. We found that acidosis could occur within 6 h of incubation in the rumen culture fermenting sugars and starch. The formation of lactic acid and acetic acid, either alone or in mixture with ethanol, accounted for high build-up of acid in the rumen. Acidosis resulted even when only 20% of a normal daily feed load for all soluble and non-soluble carbohydrates was provided. DNA-based microbial analysis revealed that Prevotella was the dominant microbial species present in the rumen fluid.


Ruminal acidosis Carbohydrate Fermentation 

Supplementary material

13213_2017_1307_MOESM1_ESM.docx (473 kb)
ESM 1 (DOCX 472 kb)


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Copyright information

© Springer-Verlag GmbH Germany and the University of Milan 2017

Authors and Affiliations

  1. 1.School of Environmental EngineeringMurdoch UniversityMurdochAustralia
  2. 2.Department of Agricultural EngineeringSyiah Kuala UniversityBanda AcehIndonesia
  3. 3.School of Veterinary and Life Sciences, College of Veterinary MedicineMurdoch UniversityMurdochAustralia

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