动物营养学报 >

2020 , Vol. 32 >Issue 1: 432 - 439

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.01.050

研究简报 SHORT COMMUNICATION

饲粮中添加超氧化物歧化酶模拟物对肉鸡生长性能、血清免疫指标及肠道抗氧化指标和消化酶活性的影响

  • 马渭青 ,
  • 王思博 ,
  • 杨季 ,
  • 崔红霞 ,
  • 赵旦华 ,
  • 许丽
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  • 东北农业大学动物科技学院, 哈尔滨 150030
马渭青(1994-),男,山东高密人,硕士研究生,从事单胃动物营养研究。E-mail:1131878862@qq.com

收稿日期: 2019-07-02

  网络出版日期: 2020-01-19

基金资助

国家自然科学基金项目（31872377）

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Effects of Dietary Superoxide Dismutase Mimics on Growth Performance, Serum Immune Indexes and Intestinal Antioxidant Indexes and Digestive Enzyme Activities of Broilers

  • MA Weiqing ,
  • WANG Sibo ,
  • YANG Ji ,
  • CUI Hongxia ,
  • ZHAO Danhua ,
  • XU Li
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  • College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China

Received date: 2019-07-02

  Online published: 2020-01-19

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摘要

本试验旨在研究饲粮中添加超氧化物歧化酶模拟物（SODm）对肉鸡生长性能、血清免疫指标及肠道抗氧化指标和消化酶活性的影响。选取1日龄健康的爱拔益加（AA）肉鸡公雏288只，随机分为4组，每组6个重复，每个重复12只。对照组（Ⅰ组）饲喂基础饲粮，试验组（Ⅱ、Ⅲ、Ⅳ组）在基础饲粮上分别添加1.0、2.0、3.0 g/kg的SODm。试验期为42 d。结果表明：1）饲粮中添加SODm对肉鸡生长性能无显著影响（P>0.05）。2）21日龄时，Ⅲ组的血清免疫球蛋白G（IgG）含量显著高于对照组（P<0.05），Ⅳ组的血清免疫球蛋白M（IgM）含量显著高于其他各组（P<0.05），各组之间血清免疫球蛋白A（IgA）含量无显著差异（P>0.05）。42日龄时，各组之间血清IgA、IgG、IgM含量均无显著差异（P>0.05）。3）21日龄时，Ⅲ组的肠道超氧化物歧化酶（SOD）、谷胱甘肽过氧化物酶（GSH-Px）活性显著高于对照组（P<0.05），丙二醛（MDA）含量显著低于对照组（P<0.05）。42日龄时，Ⅳ组的肠道总抗氧化能力（T-AOC）显著高于其他各组（P<0.05），Ⅲ、Ⅳ组的肠道MDA含量显著低于对照组（P<0.05）。4）21日龄时，Ⅱ、Ⅲ组的肠道胰蛋白酶、胃蛋白酶、脂肪酶活性显著高于对照组（P<0.05）；42日龄时，Ⅲ组的肠道胃蛋白酶活性显著高于其他各组（P<0.05）。由此可见，饲粮中添加SODm可以提高肉仔鸡血清免疫指标及肠道抗氧化性能和消化酶活性。

关键词： 超氧化物歧化酶模拟物; 肉鸡; 免疫; 抗氧化; 消化酶

本文引用格式

马渭青 , 王思博 , 杨季 , 崔红霞 , 赵旦华 , 许丽 . 饲粮中添加超氧化物歧化酶模拟物对肉鸡生长性能、血清免疫指标及肠道抗氧化指标和消化酶活性的影响[J]. 动物营养学报, 2020 , 32(1) : 432 -439 . DOI: 10.3969/j.issn.1006-267x.2020.01.050

Abstract

This study was to investigate the effects of dietary superoxide dismutase mimics (SODm) on growth performance, serum immune indexes and intestinal antioxidant indexes and digestive enzyme activities of broilers. A total of 288 one-day-old male Arbor Acres (AA) broilers were randomly divided into 4 groups with 6 replicates in each group and 12 replicates in each group. Broilers in the control group (group Ⅰ) were fed a basal diet, and the others in experimental groups (groups Ⅱ, Ⅲ and Ⅳ) were fed the basal diet supplemented with 1.0, 2.0 and 3.0 g/kg SODm, respectively. The experiment lasted for 42 days. The results showed as follows:1) dietary SODm had no significant effect on the growth performance of broilers (P>0.05). 2) On 21 days of age, the serum immunoglobulin G (IgG) content of group Ⅲ was significantly higher than that of the control group (P<0.05), the serum immunoglobulin M (IgM) content of group Ⅳ was significantly higher than that of other groups (P<0.05), and there was no significant difference in serum immunoglobulin A (IgA) content among all groups (P>0.05). On 42 days of age, there were no significant differences in contents of IgA, IgG and IgM in serum among all groups (P>0.05). 3) On 21 days of age, the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) in intestine of group Ⅲ were significantly higher than those of the control group (P<0.05), and the malondialdehyde (MDA) content was significantly lower than that of the control group (P<0.05). On 42 days of age, the intestinal total antioxidant capacity (T-AOC) of group Ⅳ was significantly higher than that of other groups (P<0.05); and the intestinal MDA content of groups Ⅲ and Ⅳ was significantly lower than that of the control group (P<0.05). 4) On 21 days of age, the activities of trypsin, pepsin and lipase in intestine of groups Ⅱ and Ⅲ were significantly higher than those of the control group (P<0.05); on 42 days of age, the intestinal pepsin activity of group Ⅲ was significantly higher than that of other groups (P<0.05). It can be seen that dietary SODm can improve the serum immune indexes and intestinal antioxidant capacity and digestive enzyme activities of broilers.

Key words： superoxide dismutase mimics; broilers; immune; antioxidant; digestive enzyme

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