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Associative effects of stylo and king grass silage different ratios on in vitro Rumen Fermentation

文献类型： 外文期刊

作者： Zhang, Yage 1 ; Li, Mao 1 ; Zhou, Hanlin 1 ; Hu, Lin 1 ; Li, Wei 1 ; Xu, Tieshan 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou 571737, Hainan, Peoples R China

2.Hainan Univ, Inst Trop Agr & Forestry, Haikou 570100, Hainan, Peoples R China

关键词： Associative Effects; In Vitro Gas Production; King Grass Silage; Stylosanthe

期刊名称：LEGUME RESEARCH （ 影响因子：0.589； 五年影响因子：0.648 ）

ISSN： 0250-5371

年卷期： 2018 年 41 卷 4 期

页码：

收录情况： SCI

摘要： The study was aimed to evaluate the associative effects of mixtures of stylosanthe (Stylosanthes guianensis) and king grass (Pennisetum purpureum x P. americanum cv. Reyan No. 4) silage at different ratios using in vitro gas production technique. Three stylosanthes (S. guianensis Sw. Reyan No.2, S2; S. guianensis Sw. Reyan No.20, S20; S. guianensis Sw. Reyan No.21, S21) were mixed with king grass silage (K) at different ratios (0:100, 10:90, 20:80, 40:60, 50:50, 100:0) and their associative effects were evaluated using in vitro gas technique. The results showed that under the controlled conditions, addition of the mixtures of stylosanthes and king grass silage could improve in vitro gas production (GP), in vitro dry matter digestibility (IVDMD) and microbial protein (MP) and promote the vitality of rumial microbes. In addition, most mixtures of stylosanthes and king grass silage showed positive associative effects and the mixtures at ratio of 20:80 had the best associative effect based on the synthetically associative effects index (SAEI).

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