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Dietary stevia residue extract supplementation improves the performance and antioxidative capacity of growing-finishing pigs

文献类型： 外文期刊

作者： Xiong, Yunxia 1 ; Liu, Shuai 1 ; Xiao, Hao 1 ; Wu, Qiwen 1 ; Chi, Lei 1 ; Zhu, Liping 2 ; Fang, Ling 2 ; Li, Yajing 2 ; Jiang, Zongyong 1 ; Wang, Li 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Inst Anim Sci,State Key Lab Livestock & Poultry B, Guangdong Key Lab Anim Breeding & Nutr,Key Lab An, Guangdong Lab Lingnan Modern Agr,Maoming Branch,S, Guangzhou, Peoples R China

2.Zhucheng Haotian Pharmaceut Co Ltd, Zhucheng, Peoples R China

关键词： stevia residue extract; growing-finishing pigs; performance; meat quality; antioxidative capacity; gut microbiota

期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：4.125； 五年影响因子：4.096 ）

ISSN： 0022-5142

年卷期： 2022 年 102 卷 11 期

页码：

收录情况： SCI

摘要： BACKGROUND Improper disposal of stevia residue causes environmental pollution and waste of resources. The extract of stevia residue is rich in chlorogenic acid and isochlorogenic acids, and has a great potential in livestock and poultry breeding. Therefore, this study aimed to investigate the effects of dietary stevia residue extract (SRE) supplementation on the performance, meat quality, antioxidative capacity and gut microbiota in growing-finishing pigs. RESULTS The results showed that increasing the concentration of SRE supplementation linearly increased (P < 0.05) body weight from day 1 to 35. Supplementation with SRE significantly increased (P < 0.05) average daily gain (ADG) from day 1 to 75. 100 mg kg(-1) SRE supplementation significantly increased (P < 0.05) hot carcass weight and gastric index. Moreover, increasing the concentration of SRE linearly increased (P < 0.05) the score of appearance of longissimus thoracis, as well as serum albumin, triglyceride and high-density lipoprotein cholesterol content. Further study found that increasing the concentration of SRE linearly increased (P < 0.05) serum total superoxide dismutase activity, and showed a significant quadratic relationship (P < 0.05) with activity of serum catalase, while linearly decreasing (P < 0.05) muscle malondialdehyde (MDA) content. Furthermore, supplementation with 100 mg kg(-1) SRE significantly decreased (P < 0.05) serum MDA content, while 600 and 800 mg kg(-1) SRE supplementation significantly decreased (P < 0.05) muscle MDA content. However, SRE supplementation had no significant effect on gut microbiota (P > 0.05). CONCLUSION These data indicated that dietary SRE supplementation improves the performance and antioxidative capacity of growing-finishing pigs. We recommend that the optimal supplemental level of SRE in the diet of growing-finishing pigs is 100 mg kg(-1). (c) 2022 Society of Chemical Industry

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