Inhibition of methanogenesis by tea saponin and tea saponin plus disodium fumarate in sheep
Z. P. Yuan 1,   C. M. Zhang 1,   L. Zhou 1,   C. X. Zou 1,   Y. Q. Guo 1,   W. T. Li 1,   J. X. Liu 1  
,   Y. M. Wu 1
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College of Animal Sciences, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China
J. X. Liu   

College of Animal Sciences, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China
Publication date: 2007-09-17
J. Anim. Feed Sci. 2007;16(Suppl. 2):560–565
The study was conducted to investigate the effects of tea saponin (TS 5 g/kg DM), TS plus disodium fumarate (DF 20 g/kg DM) and coconut oil (7% DM) on methane emissions in sheep using simple box chamber. Eight Huzhou sheep were assigned to four treatments in a 4 × 4 Latin square arrangement. Addition of TS and TSDF decreased (P<0.0001) methane emissions by 8.5 and 9.6%, respectively. Addition of TSDF significantly increased (P<0.01) propionate and decreased (P<0.01) acetate proportion. Addition of TS and TSDF, though not as effectively as coconut oil, can inhibit methane emissions, which is beneficial for economy and environment.
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