Silage quality as influenced by concentration and type of tannins present in the material ensiled: A meta-analysis
Silage quality as influenced by concentration and type of tannins present in the material ensiled: A meta-analysis
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DOI：
10.1111/jpn.13050
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发表时间：
2019-03-01
影响因子：
2.7
通讯作者：
Kreuzer, Michael
中科院分区：
文献类型：
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作者：
Jayanegara, Anuraga;Sujarnoko, Tekad U. P.;Kreuzer, Michael
青贮过程中蛋白质的降解是一个主要问题。众所周知，单宁可以防止或减缓瘤胃中的蛋白质降解，并且在青贮饲料中也可能发挥作用。因此，本评价旨在分析单宁对青贮饲料品质的影响。这是通过荟萃分析方法整合有关该主题的文献中找到的所有合适的实验来完成的。该数据库中总共包含 122 个数据集，这些数据集来自 16 篇已发表文章和一篇自己未发表的实验中获得的 28 个实验。青贮饲料中的单宁来源于青贮植物或来自丹宁植物的补充物或从此类植物中提取的单宁。单宁浓度范围为0至57.8g/kg干物质，青贮期为30至130天。该分析基于线性混合模型方法，其中不同的研究被视为随机效应，而单宁相关特性（单宁的浓度或类型）被视为固定效应。结果表明，较高浓度的单宁与青贮饲料中丁酸盐浓度的降低相关（p
Protein degradation during ensiling is a major problem. Tannins are known to prevent or decelerate protein degradation in the rumen and may be able to do so in silages as well. Therefore, the present evaluation aimed to analyse the influence of tannins on silage quality. This was done by integrating from all suitable experiments found in literature on the topic in a meta-analysis approach. A total of 122 datasets originating from 28 experiments obtained from 16 published articles and one own unpublished experiment were included in the database. Tannins in the silages originated either from the plants ensiled or from supplementations of tanniferous plants or tannins extracted from such plants. Tannin concentrations ranged from 0 to 57.8g/kg dry matter, and the ensiling period varied from 30 to 130days. The analysis was based on the linear mixed model methodology in which the different studies were considered as random effects and tannin-related properties (either concentration or type of tannins) were treated as fixed effects. Results revealed that greater concentrations of tannins were associated with a decrease of butyrate concentration in the silages (p