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Growth performance, lipid metabolism, and systemic immunity of weaned piglets were altered by buckwheat protein through the modulation of gut microbiota

文献类型： 外文期刊

作者： Tu, Weilong 1 ; Nie, Wansen 3 ; Yao, Xiaohui 3 ; Zhang, Junjie 3 ; Zhang, Hailong 3 ; Di, Di 3 ; Li, Zongjie 3 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai 201106, Peoples R China

2.Shanghai Engn Res Ctr Breeding Pig, Shanghai 201302, Peoples R China

3.Chinese Acad Agr Sci, Shanghai Vet Res Inst, Shanghai 200241, Peoples R China

关键词： Weaned piglets; Growth performance; Lipid metabolism; Immune development; Gut microbiota; Buckwheat protein

期刊名称：MOLECULAR GENETICS AND GENOMICS （ 影响因子：3.1； 五年影响因子：3.1 ）

ISSN： 1617-4615

年卷期： 2024 年 299 卷 1 期

页码：

收录情况： SCI

摘要： Tartary buckwheat protein (BWP) is well known for the wide-spectrum antibacterial activity and the lipid metabolism- regulating property; therefore, BWP can be applied as feed additives to improve the animal's nutritional supply. With the aim to investigate the bioactive actions of the BWP, growth performance, lipid metabolism and systemic immunity of the weaned piglets were measured, and the alterations of pig gut microbiota were also analyzed. According to the results, the growth performances of the weaned piglets which were calculated as the average daily gain (ADG) and the average daily feed intake (ADFI) were significantly increased when compared to the control group. Simultaneously, the serum levels of the total cholesterol (TC), triglycerides (TG), and low-density lipoprotein cholesterol (LDL-C) were decreased, while the levels of high-density lipoprotein cholesterol (HDL-C) were increased in the BWP group. Moreover, the relative abundances of Lactobacillus, Prevotella_9, Subdoligranulum, Blautia, and other potential probiotics in the gut microbiota of weaned piglets were obviously increased in the BWP group. However, the relative abundances of Escherichia-Shigella, Campylobacter, Rikenellaceae_RC9_gut_group and other opportunistic pathogens were obviously decreased in the BWP group. In all, BWP was proved to be able to significantly improve the growth performance, lipid metabolism, and systemic immunity of the weaned piglets, and the specific mechanism might relate to the alterations of the gut microbiota. Therefore, BWP could be explored as a prospective antibiotic alternative for pig feed additives.

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