Effects of Dioscorea oppositifolia L. on growth performance, biochemical indicators, immunity, and intestinal health of weaned piglets
文献类型： 外文期刊
作者： Pan, Xiang-Yi 1 ; Qiu, Zheng-Ying 1 ; Liu, Chen 1 ; Wang, Chuan 4 ; Wang, Xiaowu 4 ; Huang, Li-Na 5 ; Li, Si-Fan 1 ; Shi, Xiong-Wei 1 ; Ge, Shao-Guang 1 ; Xin, Rui-Hua 1 ;
作者机构： 1.Chinese Acad Agr Sci CAAS, Lanzhou Inst Husb & Pharmaceut Sci, Lanzhou, Peoples R China
2.Tradit Chinese Vet Med Gansu Prov, Engn & Technol Res Ctr, Lanzhou, Peoples R China
3.Minist Agr & Rural Affairs PR Lanzhou, Key Lab Vet Pharmaceut Dev, Lanzhou, Peoples R China
4.Sichuan SDIC Qiangshan Technol Grp Co Ltd, Mianyang, Peoples R China
5.Lanzhou Univ, Sch Pharm, State Key Lab Appl Organ Chem, Lanzhou, Peoples R China
关键词：
期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：2.9； 五年影响因子：3.3 ）
ISSN：
年卷期： 2025 年 12 卷
页码：
收录情况： SCI
摘要： Introduction Weaning stress syndrome in piglets seriously endangers the healthy development of the breeding industry. Dioscorea oppositifolia L. (Chinese yam, YAM) has activities such as boosting immunity and regulating gastrointestinal function. In order to explore the potential efficacy of YAM on weaned piglets, this study aimed to investigate the effects of growth performance, immune function, intestinal health and intestinal flora composition of weaned piglets.Methods Forty-eight 28-day-old weaned piglets were randomly divided into a control group, YAML group and YAMH group, with 0, 1 and 2% YAM added to the basal diet, respectively. During the experiment, the piglets' feed intake was recorded, and blood and fecal samples were collected. After the feeding period, intestinal tissue samples and colon content samples were collected for testing.Results The results showed that adding YAM to the diet can lower the incidence of diarrhea in weaned piglets, improve growth performance and nutrient digestibility, and reduce serum enzyme activity alanine aminotransferase (ALT), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C); in addition, YAM can also increase serum immunoglobulins (Ig) and antibody titers, regulate the level of inflammatory factors, and promote the expression of secretory immunoglobulin A (SIgA) protein in the intestine. Furthermore, supplementation with YAM can increase the villus height (VH), the ratio of villus height to crypt depth (V/C), and the expression of Tight junctions (TJs), and also has a positive regulatory effect on the intestinal flora.Discussion In summary, YAM alleviates weaning stress syndrome in piglets by promoting growth performance, improving immune function and disease resistance, improving intestinal morphology and mucosal immunity, and regulating the intestinal microbial composition of piglets. This provides a theoretical basis for the development and application of YAM as a new plant-derived feed additive.
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