半胱胺螯合锌对育肥猪免疫性能、抗氧化能力、血清生化指标及肠道微生物的影响

于光辉; 王煜琦; 刘正方; 宋俊霖; 姜建阳; 宋春阳

doi:10.3969/j.issn.1006-267x.2020.04.049

动物营养学报 >

2020 , Vol. 32 >Issue 4: 1891 - 1898

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.04.049

研究简报 SHORT COMMUNICATION

半胱胺螯合锌对育肥猪免疫性能、抗氧化能力、血清生化指标及肠道微生物的影响

于光辉 ,
王煜琦 ,
刘正方 ,
宋俊霖 ,
姜建阳 ,
宋春阳

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1. 青岛农业大学动物科技学院, 青岛 266109;
2. 莱阳市农业农村局, 烟台 265200

于光辉(1982-),男,山东平度人,博士,研究方向为猪营养调控与育种。E-mail:yuguanghui.123@163.com

收稿日期: 2019-09-25

网络出版日期: 2020-04-16

基金资助

山东省现代农业产业技术体系生猪创新团队项目（SDAIT-08-08）

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Effects of Cysteamine Chelated Zinc on Immunity Function, Antioxidant Capacity, Serum Biochemical Indexes and Intestinal Microflora of Finishing Pigs

YU Guanghui ,
WANG Yuqi ,
LIU Zhengfang ,
SONG Junlin ,
JIANG Jianyang ,
SONG Chunyang

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1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China;
2. Laiyang Municipal Bureau of Agriculture and Rural Affairs, Yantai 265200, China

Received date: 2019-09-25

Online published: 2020-04-16

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摘要

本试验旨在研究饲粮中不同添加量的半胱胺螯合锌（Zn-CS）对育肥猪免疫性能、抗氧化能力、血清生化指标及肠道微生物的影响。选取90头体重为（64.67±1.15）kg的健康育肥猪，随机分为5组，每组3个重复，每个重复（圈）6头。对照组饲喂基础饲粮，试验组分为Ⅰ、Ⅱ、Ⅲ、Ⅳ组，分别饲喂在基础饲粮中添加60、90、120、150 mg/kg Zn-CS的试验饲粮。结果表明：1）与对照组相比，Ⅰ、Ⅱ组血清免疫球蛋白A（IgA）含量显著提高（P<0.05）。2）与对照组相比，Ⅲ、Ⅳ组血清丙二醛含量显著降低（P<0.05），Ⅱ、Ⅲ、Ⅳ组血清总抗氧化能力显著提高（P<0.05）。3）与对照组相比，Ⅱ组血清生长激素含量显著提高（P<0.05），Ⅱ组血清生长抑素含量显著降低（P<0.05），Ⅱ、Ⅲ、Ⅳ组血清胰岛素含量显著提高（P<0.05）。4）各组在门水平上相对丰度超过1%的优势菌门有厚壁菌门、变形菌门、拟杆菌门，各组在属水平上相对丰度超过1%的优势菌属有梭菌属、肠杆菌属、Romboutsia、Turicibacter、Terrisporobacter、放线菌属。由此可见，饲粮中添加Zn-CS能够提高育肥猪免疫性能与抗氧化能力。在本试验条件下，建议Zn-CS在育肥猪饲粮中的适宜添加量为120 mg/kg。

关键词： 半胱胺螯合锌; 育肥猪; 免疫性能; 抗氧化能力; 血清生化指标; 肠道微生物

本文引用格式

于光辉 , 王煜琦 , 刘正方 , 宋俊霖 , 姜建阳 , 宋春阳 . 半胱胺螯合锌对育肥猪免疫性能、抗氧化能力、血清生化指标及肠道微生物的影响[J]. 动物营养学报, 2020 , 32(4) : 1891 -1898 . DOI: 10.3969/j.issn.1006-267x.2020.04.049

Abstract

This experiment was conducted to investigate the effects of the supplemental levels of cysteamine chelated zinc (Zn-CS) on the immunity function, antioxidant capacity, serum biochemical indexes and intestinal microflora of finishing pigs. A total of 90 healthy finishing pigs with an average body weight of (64.67±1.15) kg were randomly allocated to 5 groups with 3 replicates of 6 pigs. The pigs in control group were fed a basal diet, and those in the experimental groups were divided into groups Ⅰ, Ⅱ, Ⅲ and Ⅳ, and fed the basal diet with different supplemental levels of Zn-CS (60, 90, 120 and 150 mg/kg). The results showed as follows:1) compared with the control group, the serum immune globulin A (IgA) content in groups Ⅰ and Ⅱ significantly increased (P<0.05). 2) Compared with the control group, the serum malondialdehyde content in groups Ⅲ and Ⅳ significantly decreased (P<0.05), and the serum total antioxidant capacity in groups Ⅱ, Ⅲ and Ⅳ significantly increased (P<0.05). 3) Compared with the control group, the serum growth hormone content in group Ⅱ significantly increased (P<0.05), the serum somatostatin content in group Ⅱ significantly decreased (P<0.05), and the serum insulin content in groups Ⅱ, Ⅲ and Ⅳ significantly increased (P<0.05). 4) At the level of phylum, the dominant flora with relative abundance of more than 1% of each group was Firmicutes, Proteobacteria and Bacteroidetes. At the level of genus, the dominant flora with relative abundance of more than 1% of each group was Clostridium, Enterobacteriaceae, Romboutsia, Turicion, Terrisporobacter and Actinobacillus. In conclusion, dietary supplemented with Zn-CS can promote the immunity function and antioxidant capacity. Under the conditions of the present experiment, the optimal supplemental level of Zn-CS in the finishing pigs' diet is 120 mg/kg.

Key words： cysteamine chelated zinc; finishing pigs; immunity function; antioxidant capacity; serum biochemical indexes; intestinal microflora

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