Environmental Laboratory

Livestock diet research shows dramatic GHG reduction

May 09 2018 Read 313 Times

Scientists in S.E. Asia have measured greenhouse gas (GHG) emissions from goats and cattle using Gasmet FTIR in a series of research projects investigating the effects of different feeding regimes. By changing the animals’ diets, GHG emission reductions of up to 60% have been achieved.

21 different research projects have been reviewed by Gasmet Technologies, the Finnish instrumentation company which supplied the portable FTIR gas analyser that was used in the work. The research papers have been published by

Livestock Research for Rural Development,’ a peer-reviewed international journal for research into sustainable developing world agriculture.

Prof. Reg Preston, who participated in much of the research, says: “With an understanding of the enteric fermentation processes that result in the formation of methane, it is possible to speculate on the effects of changes to the diets of ruminants, so these research projects were designed to test our hypotheses. In each case, the effects of various diets were measured in terms of animal performance criteria such as feed conversion and growth rates, but also in terms of GHG emissions.”

Major concern exists relating to recent increases in global methane emissions. However, livestock play an important role in Asia, which extends beyond the supply of meat and milk; they are also used for purposes such as draft power, transportation, capital, credit, social value, hides, and as a source of organic fertiliser. Nevertheless, ruminants are significant contributors to atmospheric GHG emissions. It is essential therefore to find ways to reduce these emissions, and the research projects mentioned above demonstrate how significant reductions can be achieved while improving animal production and utilising low cost, locally available resources.

For the full text of the review article summarising the research visit our website.

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