Recent Advances in Enteric Methane Mitigation and the Long Road to Sustainable Ruminant Production
2024
Roques, Simon | Martinez-Fernandez, Gonzalo | Ramayo-Caldas, Yuliaxis | Popova, Milka | Denman, Stuart | Meale, Sarah J. | Morgavi, Diego P. | Producció Animal | Genètica i Millora Animal
Mitigation of methane emission, a potent greenhouse gas, is a worldwide priority to limit global warming. A substantial part of anthropogenic methane is emitted by the livestock sector, as methane is a normal product of ruminant digestion. We present the latest developments and challenges ahead of the main efficient mitigation strategies of enteric methane production in ruminants. Numerous mitigation strategies have been developed in the last decades, from dietary manipulation and breeding to targeting of methanogens, the microbes that produce methane. The most recent advances focus on specific inhibition of key enzymes involved in methanogenesis. But these inhibitors, although efficient, are not affordable and not adapted to the extensive farming systems prevalent in low- and middle-income countries. Effective global mitigation of methane emissions from livestock should be based not only on scientific progress but also on the feasibility and accessibility of mitigation strategies.
Show more [+] Less [-]We apologize for not being able to cite many excellent studies due to space limitations. We acknowledge the support by the EU Horizon 2020 research and innovation program under grant agreements 818368 (MASTER) and 101000213 (HoloRuminant). Y.R.-C. was financially supported by a Ramon y Cajal contract (RYC2019-027244-I) from the Spanish Ministry of Science and Innovation. Julien Marcetteau is credited for the graphic design of Figure 1.
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