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Effects of benzoic acid(Vevo Vitall) on the performance and jejunal digestive physiology in young pigs 被引量:10
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作者 Hui Diao Zengbing Gao +6 位作者 Bing Yu Ping Zheng Jun He Jie Yu Zhiqing Huang Daiwen Chen Xiangbing Mao 《Journal of Animal Science and Biotechnology》 SCIE CAS CSCD 2017年第1期154-160,共7页
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 th... 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 peptide2(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 p H 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 mR NA 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. 展开更多
关键词 Benzoic acid Glucagon-like peptide 2 Nutrient digestibility Performance Young pigs
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