Effect of supplemental Fructus Ligustri Lucidi Extract on methane production and rumen fermentation in sheep
文献类型: 外文期刊
第一作者: Qiao, Guohua
作者: Qiao, Guohua;Li, Jinhua;Li, Yang
作者机构:
关键词: methane production;rumen fermentation;Fructus Ligustri Lucidi Extract
期刊名称:PROGRESS IN ENVIRONMENTAL SCIENCE AND ENGINEERING (ICEESD2011), PTS 1-5
ISSN: 1022-6680
年卷期: 2012 年 356-360 卷
页码:
收录情况: SCI
摘要: The effect of addition of Fructus Ligustri Lucidi Extract (FLLE) on methane production and rumen fermentation in sheep was investigated in this study. FLLE addition levels were 0, 1, 2, 3 and 4 g/L of ruminal fluid. Ruminal fluid was removed from four sheep, mixed with phosphate buffer (1:2) and incubated (30 ml) anaerobically at 38 degrees C for 24-h with or without FLLE. Results indicated that addition of FLLE linearly decreased methane production (p<0.05), linearly decreased ammonia concentration (p<0.05), and acetate to propionate ratio (p<0.05). Data of numbers of methanogens, fungi, ciliate and cellulolytic indicated that they were linearly decreased by addition of FLLE (p<0.05). Addition of FLLE at all dosages have no effect on rumen pH value, acetate molar concentration and butyrate molar concentration (p>0.05). Addition of FLLE linearly decreased count of F. succinogenes (p<0.05). In conclusion, these results of 24-h in vitro batch culture indicated that FLLE has the ability to inhibit methane production in the rumen, stimulate rumen fermentation and suppress fiber degrading bacteria, F. succinogenes. Abbreviations: FLLE=Fructus Ligustri Lucidi extract; IVDDM=in vitro digestibility of dry matter.
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