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Effects of benzoic acid (VevoVitall(R)) on the performance and jejunal digestive physiology in young pigs

机译：苯甲酸（VevoVitall（R））对仔猪生产性能和空肠消化生理的影响

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Background:As a organic acid,benzoic acid has become one of the most important alternatives for antibiotics,and its beneficial effect on performance in animals has been proven for a decade.However,knowledge of the effects of benzoic acid on jejunal digestive physiology,especially the antioxidant capacity and mucosal glucagon-like peptide 2 (GLP-2) concentrations is lacking.Methods:A total of 20 barrows [Duroc × (Yorkshire × Landrace)] with an average body weight (BW) of 18.75 ± 0.2 kg were used in a 14-d trial to determine the potential mechanisms of benzoic acid supplementation on the performance,nutrient digestibility and jejunal digestive physiology in young pigs.All pigs were randomly allotted to 1 of 2 diets supplemented with 0 or 5000 mg/kg benzoic acid.Results:Relative to the control,benzoic acid supplementation increased the average daily feed intake (ADFI),and average daily gain (ADG) in young pigs (P ＜ 0.05),improved the apparent total tract digestibility of dry matter (DM),crude protein (CP),ether extract (EE),gross energy (GE) and crude ash (P ＜ 0.05),and enhanced the activities of trypsin,lipase and amylase in the jejunum (P ＜ 0.05).Similarly,relative to the control,supplementing benzoic acid in the diet resulted in a trend to reduce the pH values of the digesta (P =0.06),decreased crypt depth and increased the villus height to crypt depth ratio (P ＜ 0.05) in the jejunum of pigs.Finally,benzoic acid supplementation increased the mRNA expression and concentration of glucagon-like peptide 2 and the activities of glutathione peroxidase and superoxide dismutase in the jejunal mucosa of young pigs (P ＜ 0.05).Conclusions:In conclusion,supplementation with 5000 mg/kg benzoic acid improved the performance of young pigs through promoting nutrient digestion,improving jejunal antioxidant capacity,and maintaining the jejunal morphology in young pigs.
机译：背景：苯甲酸作为一种有机酸，已成为抗生素的最重要替代品之一，其对动物生产性能的有益作用已被证明了十年。然而，对苯甲酸对空肠消化生理的影响的知识尤其如此方法：共使用20只公猪[Duroc×（Yorkshire×Landrace）]，平均体重（BW）为18.75±0.2 kg。在一项为期14天的试验中，确定补充苯甲酸对幼猪的性能，营养消化率和空肠消化生理的潜在机制。所有猪均随机分配2种日粮中的1种，分别添加0或5000 mg / kg苯甲酸。结果：相对于对照组，补充苯甲酸增加了幼猪的平均日采食量（ADFI）和平均日增重（ADG）（P ＜0.05），改善了表观干物质的总消化率（DM），c粗蛋白（CP），醚提取物（EE），总能量（GE）和粗灰分（P ＜0.05），并增强了空肠中胰蛋白酶，脂肪酶和淀粉酶的活性（P ＜0.05）。对照，日粮中补充苯甲酸会导致猪空肠消化道的pH值降低（P = 0.06），隐窝深度降低和绒毛高度与隐窝深度之比（P ＜0.05）。补充苯甲酸可提高幼猪空肠黏膜中胰高血糖素样肽2的mRNA表达和浓度以及谷胱甘肽过氧化物酶和超氧化物歧化酶的活性（P ＜0.05）。结论：结论是补充5000 mg / kg苯甲酸酸通过促进营养物质的消化，提高空肠的抗氧化能力以及保持幼猪的空肠形态来改善幼猪的性能。

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  • 来源
    《畜牧与生物技术杂志(英文版)》 |2017年第1期|154-160|共7页
  • 作者

    Hui Diao; Zengbing Gao; Bing Yu; Ping Zheng; Jun He; Jie Yu; Zhiqing Huang; Daiwen Chen; Xiangbing Mao;

  • 作者单位

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

    Animal Nutrition Institute, Sichuan Agricultural University, Xinkang Road 46#,Ya'an, Sichuan Province 625014, People's Republic of China;

  • 收录信息 中国科学引文数据库(CSCD);
  • 原文格式 PDF
  • 正文语种 eng
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