In vitro screening of selected feed additives, plant essential oils and plant extracts for rumen methane mitigation

被引：74

作者：

Durmic, Zoey ^{[1
,2
]}

Moate, Peter J. ^{[3
]}

Eckard, Richard ^{[3
,4
]}

Revell, Dean K. ^{[5
]}

Williams, Richard ^{[3
]}

Vercoe, Philip E. ^{[1
,2
]}

机构：

[1] Univ Western Australia M085, Sch Anim Biol, Crawley, WA 6009, Australia

[2] Univ Western Australia M081, Future Farm Ind CRC, Crawley, WA 6009, Australia

[3] DEPI Victoria, Ellinbank, Vic 3821, Australia

[4] Univ Melbourne, Parkville, Vic 3010, Australia

[5] CSIRO Anim Food & Hlth Sci, Wembley, WA 6913, Australia

来源：

JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE | 2014年 / 94卷 / 06期

关键词：

rumen methane; feed additives; essential oils; plant extracts; DAIRY-COWS; ALMOND HULLS; MICROBIAL FERMENTATION; RUMINAL FERMENTATION; MILK-PRODUCTION; EMISSIONS; ACID; METHANOGENESIS; MONENSIN; TANNINS;

D O I：

10.1002/jsfa.6396

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

BACKGROUND Ruminants produce large quantities of methane in their rumen as a by-product of microbial digestion of feed. Antibiotics are added to ruminant feed to reduce wasteful production of methane; however, this practice has some downsides. A search for safer and natural feed additives with anti-methanogenic properties is under way. The objective of this research was to examine selected feed additives, plant essential oils and plant extracts for their anti-methanogenic potential in the rumen using an in vitro batch fermentation system. RESULTS A significant reduction (P < 0.05) in methane production was observed with nine feed additives (up to 40% reduction), all eight essential oils (up to 75% reduction) and two plant extracts (14% reduction) when compared to their respective controls. Amongst these, only an algal meal high in docosahexaenoic acid, preparations of Nannochloropsis oculata, calcareous marine algae, yeast metabolites and two tannins did not inhibit microbial gas and volatile acid production. CONCLUSIONS The current study identified some potent dietary ingredients or plant compounds that can assist in developing novel feed additives for methane mitigation from the rumen. (c) 2013 Society of Chemical Industry

引用

页码：1191 / 1196

页数：6

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