动物营养学报 >

2019 , Vol. 31 >Issue 2: 839 - 849

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.02.040

饲料科学与技术 Feed science and technology

爱拔益加肉鸡对饲粮中添加的辣木提取物的耐受性评价

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  • 中国农业科学院饲料研究所, 农业部生物饲料重点实验室, 生物饲料开发国家工程研究中心, 北京 100081
刘娇(1996-),女,山东泰安人,硕士研究生,动物营养与饲料科学专业。E-mail:853652746@qq.com

收稿日期: 2018-07-12

  网络出版日期: 2019-02-18

基金资助

国家肉鸡产业技术体系（CARS-41）；中国农业科学院科技创新工程（ASTIP）

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Tolerance of Arbor Acres Broilers to Moringa oleifera Lam. Extract in Diet

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  • Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of Agricultural Ministry, National Engineering Research Center of Biological Feed, Beijing 100081, China

Received date: 2018-07-12

  Online published: 2019-02-18

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摘要

本试验旨在研究饲粮中添加高剂量（10.00 g/kg）辣木提取物对爱拔益加（AA）肉鸡生长性能、抗氧化功能、血液学指标、脏器指数、消化及免疫系统各器官组织病理学的影响，以确定辣木提取物在肉鸡饲粮中的安全添加限量。选用平均体重为（45±2）g、健康1日龄AA肉鸡288只，随机分为3个组，每组6个重复，每个重复16只鸡。试验采用玉米-豆粕-杂粕型基础饲粮，对照组饲喂基础饲粮，试验组饲喂分别在基础饲粮中添加0.75和10.00 g/kg辣木提取物的饲粮。试验期42 d。结果表明：1）饲粮添加0.75和10.00 g/kg辣木提取物显著提高了肉鸡平均日增重（P<0.05），但对平均日采食量和料重比无显著影响（P>0.05）；2）饲粮添加0.75和10.00 g/kg辣木提取物显著提高了42日龄肉鸡血清总抗氧化能力（P<0.05），显著降低了血清丙二醛含量（P<0.05）；3）饲粮添加0.75 g/kg辣木提取物显著提高了21日龄肉鸡血小板平均体积（P<0.05），饲粮添加0.75和10.00 g/kg辣木提取物显著提高了21日龄肉鸡血小板分布宽度（P<0.05）；4）饲粮添加0.75和10.00 g/kg辣木提取物可以降低肉鸡的死淘率到3.13%和2.08%；5）饲粮添加10.00 g/kg辣木提取物对肉鸡消化和免疫器官的组织结构未见明显影响。综上，饲粮添加辣木提取物可以提高肉鸡的增重，提高肉鸡的抗氧化功能，降低肉鸡死淘率，2个添加剂量间也有改善的趋势。因此，辣木提取物在肉鸡饲粮中添加量≤10.00 g/kg是安全的。

关键词： 辣木提取物; 肉鸡; 生长性能; 屠宰性能; 抗氧化功能; 耐受性

本文引用格式

刘娇, 常文环, 陈志敏, 郑爱娟, 张姝, 刘国华, 蔡辉益 . 爱拔益加肉鸡对饲粮中添加的辣木提取物的耐受性评价[J]. 动物营养学报, 2019 , 31(2) : 839 -849 . DOI: 10.3969/j.issn.1006-267x.2019.02.040

Abstract

This experiment was conducted to study the effects of high-dose (10.00 g/kg) Moringa oleifera Lam. extract supplementation on growth performance, antioxidant function, haematological indices, organ indices, histopathology of various organs of the digestive and immune system, and to evaluate the tolerance of Arbor Acres (AA) broilers to Moringa oleifera Lam. extract. A total of 288 one-day-old healthy AA broilers were selected with an average body weight of (45±2) g and randomly divided into three groups with six replicates each and sixteen broilers per replicate. Broilers in the control group were fed a corn-soybean-hybrid-based basal diet, and those in the experimental groups were fed the basal diet supplemented with 0.75 and 10.00 g/kg Moringa oleifera Lam. extract for 42 days, respectively. The results showed as follows:1) Moringa oleifera Lam. extract supplementation at 0.75 and 10.00 g/kg significantly increased the average daily gain (P<0.05), but had no significantly different effects on the average daily feed intake and feed to gain ratio (P>0.05) of broilers. 2) Moringa oleifera Lam. extract supplementation at 0.75 and 10.00 g/kg significantly increased serum total antioxidant capacity (P<0.05), and significantly decreased serum malondialdehyde content (P<0.05) of 42-day-old broilers. 3) Moringa oleifera Lam. extract supplementation at 0.75 g/kg significantly increased the mean platelet volume of 21-day-old broilers (P<0.05), and Moringa oleifera Lam. extract supplementation at 0.75 and 10.00 g/kg significantly increased the platelet distribution width of 21-day-old broilers (P<0.05). 4) Moringa oleifera Lam. extract supplementation at 0.75 and 10.00 g/kg significantly decreased the death and culling rate of broilers to 3.13% and 2.08%. 5) Moringa oleifera Lam. extract supplementation at 10.00 g/kg had no adverse effects on the morphology of digestive and immune organs of broilers. In conclusion, Moringa oleifera Lam. extract supplementation can increase the weight gain, improve the antioxidant function and reduce the death and culling rate of broilers. There is also a trend of improvement between the two doses. Therefore, it is safe to add ≤ 10.00 g/kg Moringa oleifera Lam. extract to broiler feed.

Key words： Moringa oleifera Lam. extract; broiler; growth performance; slaughter performance; antioxidant function; tolerance

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