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Meta-analysis of the effects of essential oils on ruminal fermentation and performance of sheep
Small Ruminant Research ( IF 1.8 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.smallrumres.2020.106148
R.N.S. Torres , D.C. Moura , C.P. Ghedini , J.M.B. Ezequiel , M.T.C. Almeida

Abstract This study was carried to evaluate the effects of essential oils (EO) supplementation to sheep diets on their performance and ruminal fermentation characteristics through meta-analysis. Twenty-one peer-reviewed publications with 50 treatment means were included in the data set. The effects of EO as an additive in sheep diets were evaluated using random-effect models to examine the raw mean difference (RMD) between EO treatment (diets with EO inclusion as an additive) and control treatment (diets with no additives). Heterogeneity was explored by meta-regression and subgroup analysis performed for: animal age; EO supplementation period, experimental design; EO extraction methods; amount of EO and primary bioactive compound in EO. The major bioactive compounds in EO were: carnosic acid (25.71%), carvacrol (22.86%) and thymol (11.42%). Essential oils supplementation reduced average daily gain (RMD = -0.01 kg/day; P

中文翻译:

精油对羊瘤胃发酵及生产性能影响的Meta分析

摘要 本研究旨在通过荟萃分析评估在绵羊日粮中添加精油 (EO) 对其性能和瘤胃发酵特性的影响。数据集中包含 21 篇具有 50 种治疗方法的同行评审出版物。使用随机效应模型评估 EO 作为绵羊日粮中添加剂的影响,以检查 EO 处理(含有 EO 作为添加剂的日粮)和对照处理(不含添加剂的日粮)之间的原始平均差异 (RMD)。通过元回归和亚组分析探索异质性:动物年龄;EO补充期,实验设计;EO提取方法;EO 和 EO 中主要生物活性化合物的量。EO中的主要生物活性化合物是:鼠尾草酸(25.71%)、香芹酚(22.86%)和百里酚(11.42%)。
更新日期:2020-08-01
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