Effect of nitroethane, dimethyl-2-nitroglutarate and 2-nitro-methyl-propionate on ruminal methane production and hydrogen balance in vitro

被引：36

作者：

Anderson, Robin C. ^{[1
]}

Huwe, Janice K. ^{[2
]}

Smith, David J. ^{[2
]}

Stanton, Thaddeus B. ^{[3
]}

Krueger, Nathan A. ^{[1
]}

Callaway, Todd R. ^{[1
]}

Edrington, Thomas S. ^{[1
]}

Harvey, Roger B. ^{[1
]}

Nisbet, David J. ^{[1
]}

机构：

[1] ARS, USDA, So Plains Agr Res Ctr, Food & Feed Safety Res Unit, College Stn, TX 77845 USA

[2] ARS, USDA, Biosci Res Lab, Fargo, ND 58105 USA

[3] ARS, USDA, Preharvest Food Safety & Enter Dis Res Unit, Natl Anim Dis Ctr, Ames, IA 50010 USA

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 14期

关键词：

Methane-inhibitor; Dimethyl-2-nitroglutarate; 2-Nitro-methyl-propionate; Nitroethane; Rumen; NITROPROPANOL-METABOLIZING BACTERIUM; FERMENTATION CHARACTERISTICS; SELECT NITROCOMPOUNDS; ORAL NITROETHANE; AMINO-ACIDS; RUMEN; MICROORGANISMS; FLUID; METHANOGENESIS; POPULATIONS;

D O I：

10.1016/j.biortech.2009.11.108

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Ruminal methanogenesis is considered a digestive inefficiency that results in the loss of 2-12% of the host's gross energy intake and contributes nearly 20% to the United States annual CH(4) emissions. Presently, the effects of the known CH(4) inhibitor, nitroethane, and two synthetic nitrocompounds, dimethyl-2-nitroglutarate and 2-nitro-methyl-propionate, on ruminal CH(4) production and fermentation were evaluated in vitro. After 24 h incubation at 39 degrees C under 100% CO(2), ruminal fluid cultures treated with 2.97 or 11.88 mu mol ml(-1) of the respective nitrocompounds produced >92% less CH(4) (P < 0.05) than non-treated controls. Quantification of fermentation end-products produced and H(2) balance estimates indicate that fermentation efficiencies were not compromised by the nitro-treatments. Published by Elsevier Ltd.

引用

页码：5345 / 5349

页数：5

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