Garlic and its bioactive compounds: implications for methane emissions and ruminant nutrition

Sari, N. F., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Kliem, K. E. ORCID: https://orcid.org/0000-0002-0058-8225 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2022) Garlic and its bioactive compounds: implications for methane emissions and ruminant nutrition. Animals, 12 (21). 2998. ISSN 2076-2615 doi: 10.3390/ani12212998

Abstract/Summary

Methane (CH4) produced by ruminants contributes as a source of anthropogenic greenhouse gases (GHG). Plant-derived bioactive compounds have been investigated for their potential to reduce CH4 emissions from ruminant livestock. Garlic contains bioactive organosulphur compounds, which have been reported to be effective in reducing CH4 emissions, but they have demonstrated inconsistent effects in reducing CH4 production in the rumen. This might be because different types of garlic-based supplements vary in their concentrations of bioactive compounds. Therefore, further investigation is needed, such as the mode of action and persistence of the bioactive compound, to determine whether these compounds can be used successfully to inhibit rumen methanogenesis. The present review discusses garlic and its potential contribution to reducing CH4 production by ruminant animals and discusses how differences in the diet and the bioactive compound concentration in garlic might contribute to these differences.

Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/108424
Item Type	Article
Refereed	Yes
Divisions	Life Sciences > School of Agriculture, Policy and Development > Department of Animal Sciences
Publisher	MDPI
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