Cited by 274Ruminant Nutrition and Digestive PhysiologyAnaerobic Digestion and Biogas ProductionAnimal Nutrition and Physiology

Aspects of rumen microbiology central to mechanistic modelling of methane production in cattle

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ELLIS, J. L., DIJKSTRA, J., KEBREAB, E., BANNINK, A., ODONGO, N. E., McBRIDE, B. W., FRANCE, J.·2008·The Journal of Agricultural Science

Abstract

SUMMARY Methane, in addition to being a significant source of energy loss to the animal that can range from 0·02 to 0·12 of gross energy intake, is one of the major greenhouse gases being targeted for reduction by the Kyoto protocol. Thus, one of the focuses of recent research in animal science has been to develop or improve existing methane prediction models in order to increase overall understanding of the system and to evaluate mitigation strategies for methane reduction. Several dynamic mechanistic models of rumen function have been developed which contain hydrogen gas balance sub-models from which methane production can be predicted. These models predict methane production with varying levels of success and in many cases could benefit from further development. Central to methane prediction is accurate volatile fatty acid prediction, representation of the competition for substrate usage within the rumen, as well as descriptions of protozoal dynamics and pH. Most methane models could also largely benefit from an expanded description of lipid metabolism and hindgut fermentation. The purpose of the current review is to identify key aspects of rumen microbiology that could be incorporated into, or have improved representation within, a model of ruminant digestion and environmental emissions.

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Crossref · 10.1017/s0021859608007752

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153 of 153 references verified0 citation errors · 0 not checkable

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Authors
ELLIS, J. L., DIJKSTRA, J., KEBREAB, E., BANNINK, A., ODONGO, N. E., McBRIDE, B. W., & FRANCE, J.
Affiliations
  • University of Guelph (CA)
  • Wageningen University & Research (NL)
  • University of Manitoba (CA)
  • Agriculture and Agri-Food Canada (CA)
Corresponding author
ELLIS, J. L.
Venue
The Journal of Agricultural Science
Published
2008-03-26
Volume
146
Issue
2
Pages
213-233
ISSN
  • 0021-8596 (ISSN-L)
  • 1469-5146
OpenAlex
W2162352287
Cited by
274
References
153
Citations by year
2026: 19 · 2025: 17 · 2024: 22 · 2023: 12 · 2022: 12 · 2021: 22 · 2020: 7 · 2019: 10 · 2018: 15 · 2017: 13 · 2016: 24 · 2015: 16 · 2014: 24 · 2013: 11 · 2012: 13
FWCI
21.69
Type
journal article
Language
en
Open access
Locations
  • The Journal of Agricultural Science (publishedVersion)
  • Socio-Environmental Systems Modeling (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Keywords
rumen microbiology, methane production, cattle, mechanistic modeling, rumen fermentation, volatile fatty acids, protozoa, rumen pH, lipid metabolism, hindgut fermentation, greenhouse gas emissions reduction, ruminant digestion

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