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Remodeling of intestinal bacterial community and metabolome of Dezhou donkey induced by corn silage

文献类型： 外文期刊

作者： Sha, Yujie 1 ; Yu, Jiafeng 1 ; Xia, Dong 3 ; Zhang, Yan 4 ; Liu, Jian 1 ; Wang, Huisong 2 ;

作者机构： 1.Dezhou Univ, Inst Biophys, Shandong Key Lab Biophys, Dezhou 253023, Peoples R China

2.Dezhou Univ, Int Joint Lab Agr Food Sci & Technol Univ Shandong, Dezhou 253023, Peoples R China

3.Dezhou Anim Dis Prevent & Control Ctr, Dezhou Anim Husb & Vet Career Dev Ctr, Dezhou 253023, Peoples R China

4.Shandong Acad Agr Sci, Inst Crop Germplasm Resources, Jinan 250100, Peoples R China

5.Dezhou Univ, Belgorod Coll Food Sci, Dezhou 253023, Peoples R China

关键词： Dezhou donkey; Bacterial community; Metabolome; Corn silage

期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.8； 五年影响因子：4.3 ）

ISSN： 2045-2322

年卷期： 2024 年 14 卷 1 期

页码：

收录情况： SCI

摘要： Corn silage can usually improve the growth performance and the meat quality of ruminants, and subsequently increase the economic benefits of farming. However, little is known about the effects of corn silage on donkeys. This experiment investigated the effects of corn silage on the weight gain, gut microbiota and metabolites of Dezhou donkeys. A total of 24 Dezhou donkeys, sourced from the same farm and exhibiting similar age and average body weight, were utilized in this experiment. The donkeys were allocated into two groups: a control group receiving a basic diet and a test group receiving a basic diet supplemented with 30% corn silage. Each group comprised 12 donkeys, evenly distributed by sex (6 males and 6 females). The experiment lasted for 100 days. Results showed that dietary supplementation with corn silage significantly (P < 0.05) improved the weight gain of Dezhou donkeys at the end of the experiment. And the supplementation of corn silage in the diet significantly altered the bacterial community composition and metabolome in the feces of the donkeys. Notably, the relative abundance ratio of Bacteroidetes to Firmicutes was 0.76 in the control group compared to 0.96 in the test group. Furthermore, members of the Bacteroidetes and Firmicutes phyla were associated with differentiated metabolites enriched in the arachidonic acid metabolism and pentose and glucuronate interconversion pathways, both of which have been reported to be related to animal growth. Specifically, Bacteroidia exhibited statistically (P < 0.05) positive correlations with 15S-HpETE, while Bacilli demonstrated statistically (P < 0.05) negative correlations with D-Xylulose. The findings of this study can advance our mechanistic understanding of the remodeling of intestinal microbiota and metabolome induced by corn silage, as well as their relationships with the growth performance of Dezhou donkeys, which in turn favor the improvement in nutrition of Dezhou donkeys.

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