饲粮添加不同水平果胶寡糖螯合锌对肉仔鸡生长性能、免疫功能和血清抗氧化功能的影响

王中成; 吴学壮; 崔虎; 万春孟; 张铁涛; 彭晴; 于会民; 高秀华

doi:10.3969/j.issn.1006-267x.2016.06.017

动物营养学报 >

2016 , Vol. 28 >Issue 6: 1757 - 1764

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.06.017

饲料营养 Feed Science and Technology

饲粮添加不同水平果胶寡糖螯合锌对肉仔鸡生长性能、免疫功能和血清抗氧化功能的影响

王中成 ,
吴学壮 ,
崔虎 ,
万春孟 ,
张铁涛 ,
彭晴 ,
于会民 ,
高秀华

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1. 中国农业科学院饲料研究所, 农业部饲料生物技术重点实验室, 北京 100081;
2. 遵义师范学院农业科技学院, 遵义 563002;
3. 中国农业科学院特产研究所, 长春 130112

收稿日期: 2015-12-22

网络出版日期: 2016-06-27

基金资助

公益性行业科研专项"饲料中抗生素替代品关键研究与示范"(201403047);"948"重点项目"低碳氮"排放的饲料高效利用技术引进与开发(2011-G7);果胶寡糖及其络合物创新与应用(2014EG134239)

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Effects of Different Dietary Zinc-Pectic Oligosaccharide Chelate Supplemental Levels on Growth Performance, Immune Function and Serum Antioxidant Capacity of Broilers

WANG Zhongcheng ,
WU Xuezhuang ,
CUI Hu ,
WAN Chunmeng ,
ZHANG Tietao ,
PENG Qing ,
YU Huimin ,
GAO Xiuhua

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1. Key Laboratory for Feed Biotechnology of the Ministry of Agriculture, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
2. School of Agriculture and Technology, Zunyi Normal College, Zunyi 563002, China;
3. Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China

Received date: 2015-12-22

Online published: 2016-06-27

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摘要

本试验旨在研究饲粮添加不同水平果胶寡糖螯合锌(zinc-pectic oligosaccharide chelate,Zn-POS)对爱拔益加(AA)肉仔鸡生长性能、免疫功能和血清抗氧化能力的影响。选用1日龄健康、体况较一致的AA肉仔鸡480只(公母各占1/2),根据体重一致原则随机分为5组,每组6个重复,每个重复16只鸡。其中Ⅰ组为基础饲粮组;Ⅱ组为抗生素组,在基础饲粮中添加62.5 mg/kg黄霉素;Ⅲ、Ⅳ和Ⅴ组为Zn-POS组,在基础饲粮中分别添加300、600和900 mg/kg Zn-POS。试验期42 d。结果表明:1)1~21日龄,与Ⅰ组相比,Ⅲ、Ⅳ组平均日增重显著提高(P<0.05);与Ⅱ组相比,Ⅲ、Ⅳ组体重显著提高(P<0.05)。22~42日龄,与Ⅰ组相比,Ⅲ、Ⅳ组平均日增重显著提高(P<0.05),Ⅳ组平均日采食量显著提高(P<0.05)。1~42日龄,与Ⅰ组相比,Ⅳ组平均日增重极显著提高(P<0.01),Ⅲ、Ⅴ组平均日增重显著提高(P<0.05),Ⅳ组平均日采食量显著提高(P<0.05);Ⅱ组平均日增重极显著高于Ⅰ组(P<0.01)。2)Ⅱ组法氏囊指数显著高于Ⅰ组(P<0.05),但Ⅱ组血清中免疫球蛋白G水平显著低于Ⅰ组(P<0.05)。3)Ⅲ组血清总超氧化物歧化酶活性极显著高于Ⅰ组(P<0.01),Ⅲ、Ⅴ组血清过氧化氢酶活性显著高于Ⅰ组(P<0.05);Ⅳ、Ⅴ组血清丙二醛含量显著低于Ⅲ组(P<0.05)。由此可见,饲粮中添加Zn-POS能改善1~42日龄AA肉仔鸡生长性能、免疫功能和血清抗氧化功能,以600 mg/kg添加水平较为适宜。

关键词： 果胶寡糖螯合锌; 生长性能; 免疫功能; 血清抗氧化功能; AA肉仔鸡

本文引用格式

王中成 , 吴学壮 , 崔虎 , 万春孟 , 张铁涛 , 彭晴 , 于会民 , 高秀华 . 饲粮添加不同水平果胶寡糖螯合锌对肉仔鸡生长性能、免疫功能和血清抗氧化功能的影响[J]. 动物营养学报, 2016 , 28(6) : 1757 -1764 . DOI: 10.3969/j.issn.1006-267x.2016.06.017

Abstract

This experiment was conducted to investigate the effects of different dietary zinc-pectic oligosaccharide chelate (Zn-POS) supplemental levels on growth performance, immune function and serum antioxidant capacity of Arbor Acre (AA) broilers. A total of 480 one-day-old AA broilers were randomly divided into 5 groups with 6 replicates per group and 16 chicks per replicate. Group Ⅰ was a basal diet group, group Ⅱ was the antibiotics group supplemented with 62.5 mg/kg flavomycin, and groups Ⅲ, Ⅳ and Ⅴ were Zn-POS groups, which supplemented with 300, 600 and 900 mg/kg Zn-POS, respectively. The whole experiment lasted for 42 d. The results showed as follows: 1) from 1 to 21 days of age, compared with group Ⅰ, the average daily gain was significantly increased in groups Ⅲ and Ⅳ (P<0.05). Compared with group Ⅱ, the body weight in groups Ⅲ and Ⅳ was significantly increased (P<0.05). From 22 to 42 days of age, compared with group Ⅰ, the average daily gain in groups Ⅲ and Ⅳ was significantly increased (P<0.05), and the average daily feed intake in group Ⅳ was significantly increased (P<0.05). From 1 to 42 days of age, compared with group Ⅰ, the average daily gain in group Ⅳ was extremely significantly increased (P<0.01), the average daily gain in groups Ⅲ and Ⅴ was significantly increased (P<0.05), and the average daily feed intake in group Ⅳ was significantly increased (P<0.05). The average daily gain in group Ⅱ was extremely significantly higher than that in group Ⅰ (P<0.01). 2) Compared with group Ⅰ, the bursa of Fabricius index in group Ⅱ was significantly improved (P<0.05), but the serum immunoglobulin G (IgG) level in group Ⅱ was significantly decreased (P<0.05). 3) Compared with group Ⅰ, the serum total superoxide dismutase activity in group Ⅲ was significantly increased (P<0.05), and the serum catalase activity in groups Ⅲ and Ⅴ was significantly increased (P<0.05), too. Compared with group Ⅲ, the serum malondialdehyde content was significantly decreased in groups Ⅳ and Ⅴ (P<0.05). In conclusion, dietary Zn-POS supplementation can improve the growth performance, immune function and serum antioxidant capacity of AA broilers from 1 to 42 days of age, and the optimum supplemental level is 600 mg/kg.

Key words： Zn-POS; growth performance; immune function; serum antioxidant capacity; AA broilers

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