Effects of Substituting Beer Lees and Cassava Residues Respectively for Buffalo Dietary Soybean Meal and Grassiness on Rumen Fermentation In Vitro
文献类型: 外文期刊
第一作者: Xia, Zhongsheng
作者: Xia, Zhongsheng;Huang, Yali;Zou, Caixia;Chen, Zhihui;Liang, Xianwei;Wei, Shengju;Liang, Xin;Li, Shulu;Huang, Yali
作者机构:
关键词: Beer Lees;Cassava Residues;buffalo;rumen fermentation;methane
期刊名称:BUFFALO BULLETIN ( 影响因子:0.172; 五年影响因子:0.234 )
ISSN: 0125-6726
年卷期: 2013 年 32 卷
页码:
收录情况: SCI
摘要: The present study was to investigate the effects of substituting beer lees and cassava residues respectively for buffalo dietary soybean meal and grassiness on rumen fermentation by using in vitro gas production. The rumen fermentation cultivated in vitro by Mauricio reading pressure system (RPT). The experiment diets were divided into 8 groups by 2x2x2 factorial design. Substitute 25% and 50%(DM) beer lees for equivalent soybean meal of the concentrate of dietary fermentative substrate, substituting 12.5% and 25%(DM) cassava residues and fermentative cassava residues for dietary grassiness as forages respectively, and in addition a control group(15% soybean meal and 30% grassiness included in the diet) was set. The results showed that: (1) group 4 (beer lees substitute of 25% for soybean meal and cassava residues substitute of 25% for grassiness) produced most gases in 72 h;(2) the control group has the highest ME and most DOM, but no significant difference compared with group 4(P>0.05);(3) group 5(beer lees substitute of 50% for soybean meal and cassava residues substitute of 12.5% for grassiness) has the highest MCP, but no significant difference compared with control group, group 4 or group 6(P>0.05); (4) group 4 has the highest NH3-N, but no significant difference compared with the control (P>0.05); (5) group 5 has the highest TVFO, and there was significant difference between group 5 and the control (P<0.05). In summary, according to the characteristics of buffalo rumen fermentation in vitro, group 4 is the most suitable diet for buffalo.
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