饲料科学与技术 Feed science and technology

植物精油对肉鸡生长性能、抗氧化能力和免疫机能的影响

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  • 四川农业大学动物营养研究所, 成都 611130
王兰(1992-),女,湖南常德人,硕士研究生,从事动物营养与饲料科学研究。E-mail:924061097@qq.com

收稿日期: 2018-07-17

  网络出版日期: 2019-02-18

基金资助

四川省重大科技专项"安全高效生物饲料技术体系建设及集成应用"(18ZDZX0048)

Effects of Essential Oil on Growth Performance, Antioxidant Capacity and Immune Function of Broilers

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  • Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China

Received date: 2018-07-17

  Online published: 2019-02-18

摘要

本试验旨在探究饲粮中添加植物精油(EO)对肉鸡生长性能、抗氧化能力和免疫机能的影响。选取500只1日龄健康状况良好、体重相近的爱拔益加肉公鸡,随机分为5组:1)对照组,基础饲粮;2)EO50组,基础饲粮+50 mg/kg EO;3)EO100组,基础饲粮+100 mg/kg EO;4)EO200组,基础饲粮+200 mg/kg EO;5)EO400组,基础饲粮+400 mg/kg EO。每组10个重复,每重复10只鸡,试验期共42 d。结果表明:1)与对照组相比,各试验组肉鸡平均日增重、平均日采食量和料重比差异均不显著(P>0.05),但EO400组料重比较对照组降低了3.4%;2)与对照组相比,各试验组干物质、能量、粗脂肪及粗蛋白质的消化率均显著提高(P<0.05);3)EO200组肉鸡血清总超氧化物歧化酶活性较EO50组和对照组显著提高(P<0.05),血清免疫球蛋白G含量较对照组显著提高(P<0.05)。综上所述,肉鸡饲粮中添加EO对肉鸡生长性能无显著影响,但可提高部分养分消化率,且显著改善肉鸡抗氧化能力和免疫机能。

本文引用格式

王兰, 陈代文, 余冰, 毛湘冰, 郑萍, 虞洁, 罗玉衡, 黄志清, 罗钧秋, 何军 . 植物精油对肉鸡生长性能、抗氧化能力和免疫机能的影响[J]. 动物营养学报, 2019 , 31(2) : 831 -838 . DOI: 10.3969/j.issn.1006-267x.2019.02.039

Abstract

This study was conducted to investigate the effects of dietary essential oil (EO) on growth performance, antioxidative capacity and immune function of broilers. A total of five hundred one-day-old Arbor Acres male broilers with good health and closely weight were randomly assigned to five groups with ten replicates of 10 broilers each, including:1) control group, basal diet; 2) EO50 group, basal diet supplemented with 50 mg/kg EO; 3) EO100 group, basal diet supplemented with 100 mg/kg EO; 4) EO200 group, basal diet supplemented with 100 mg/kg EO; 5) EO400 group, basal diet supplemented with 400 mg/kg EO. The experiment lasted for 42 days. The results showed as follows:1) compared with the control group, the average daily gain, average daily feed intake and the ratio of feed to gain (F/G) of broilers in the experimental groups were not significantly different (P>0.05), but the F/G in EO400 group was 3.4% lower than that in the control group. 2) The digestibility of dry matter, energy, crude fat and crude protein in the experimental groups was significantly higher than that in the control group (P<0.05). 3) The serum total superoxide dismutase activity of broilers in EO200 group was significantly higher than that in EO50 group and the control group (P<0.05), and the serum immunoglobulin G content was significantly higher than that in the control group (P<0.05). In summary, the dietary EO has no significant effects on growth performance of broilers, but it can improve the digestibility of some nutrients and significantly improve the antioxidant capacity and immune function of broilers.

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