Fifty years of research on rumen methanogenesis: Lessons learned and future challenges for mitigation

KA Beauchemin, EM Ungerfeld, RJ Eckard, M Wang - Animal, 2020 - cambridge.org
Meat and milk from ruminants provide an important source of protein and other nutrients for
human consumption. Although ruminants have a unique advantage of being able to …

Strategies used to reduce methane emissions from ruminants: Controversies and issues

B Króliczewska, E Pecka-Kiełb, J Bujok - Agriculture, 2023 - mdpi.com
Methanogenesis plays a crucial role in the digestive process of ruminant animals. During
this process, methanogenic archaea produce methane as a byproduct of their metabolism …

Metabolic hydrogen flows in rumen fermentation: principles and possibilities of interventions

EM Ungerfeld - Frontiers in Microbiology, 2020 - frontiersin.org
Rumen fermentation affects ruminants productivity and the environmental impact of ruminant
production. The release to the atmosphere of methane produced in the rumen is a loss of …

[HTML][HTML] Could propionate formation be used to reduce enteric methane emission in ruminants?

K Wang, B Xiong, X Zhao - Science of the Total Environment, 2023 - Elsevier
To meet the increasing demand for meat and milk, the livestock industry has to increase its
production. Without improving its efficiency, increased livestock, especially ruminant …

Mode of action uncovered for the specific reduction of methane emissions from ruminants by the small molecule 3-nitrooxypropanol

EC Duin, T Wagner, S Shima… - Proceedings of the …, 2016 - National Acad Sciences
Ruminants, such as cows, sheep, and goats, predominantly ferment in their rumen plant
material to acetate, propionate, butyrate, CO2, and methane. Whereas the short fatty acids …

Influence of hydrogen on rumen methane formation and fermentation balances through microbial growth kinetics and fermentation thermodynamics

PH Janssen - Animal feed science and technology, 2010 - Elsevier
A descriptive model is presented that can explain changes in the amount of methane (CH4)
formed in the rumen in relation to passage rate, feed type, and the effects of pH and …

Shifts in metabolic hydrogen sinks in the methanogenesis-inhibited ruminal fermentation: a meta-analysis

EM Ungerfeld - Frontiers in microbiology, 2015 - frontiersin.org
Maximizing the flow of metabolic hydrogen ([H]) in the rumen away from CH4 and toward
volatile fatty acids (VFA) would increase the efficiency of ruminant production and decrease …

Ruminal methane production: Associated microorganisms and the potential of applying hydrogen-utilizing bacteria for mitigation

W Lan, C Yang - Science of the Total Environment, 2019 - Elsevier
Methane emission from ruminants not only causes serious environmental problems, but also
represents a significant source of energy loss to animals. The increasing demand for …

[HTML][HTML] Nitrate and sulfate: Effective alternative hydrogen sinks for mitigation of ruminal methane production in sheep

SM Van Zijderveld, WJJ Gerrits, JA Apajalahti… - Journal of dairy …, 2010 - Elsevier
Twenty male crossbred Texel lambs were used in a 2× 2 factorial design experiment to
assess the effect of dietary addition of nitrate (2.6% of dry matter) and sulfate (2.6% of dry …

Ruminant enteric methane mitigation: a review

DJ Cottle, JV Nolan… - Animal Production Science, 2011 - CSIRO Publishing
In Australia, agriculture is responsible for~ 17% of total greenhouse gas emissions with
ruminants being the largest single source. However, agriculture is likely to be shielded from …