动物营养学报 >

2020 , Vol. 32 >Issue 11: 5243 - 5254

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.11.029

禽营养与饲料 POULTRY NUTRITION AND FEED

饲粮添加亚麻籽和维生素E对北京油鸡肌肉n-3多不饱和脂肪酸富集和抗氧化特性的影响

  • 赵丹阳 ,
  • 吴雨珊 ,
  • 李军国 ,
  • 商方方 ,
  • 杜文龙 ,
  • 于治芹 ,
  • 谷旭
展开
  • 1. 中国农业科学院饲料研究所, 北京 100081;
    2. 农业部动物产品质量安全饲料源性因子风险评估实验室, 北京 100081
赵丹阳(1994-),女,河北沧州人,硕士研究生,从事动物营养与饲料加工研究。E-mail:zhaodanyang0912@163.com

收稿日期: 2020-04-07

  网络出版日期: 2020-11-16

基金资助

现代农业产业技术体系北京市家禽创新团队项目（BAIC04-2020）；北京市科技计划项目（Z181100009318008）；中国农业科学院创新工程项目（CAAS-ASTIP-2020-FRI-08）；国家重点研发计划项目（2018YFD0500600）

收起

Effects of Adding Flaxseed and Vitamin E in Diets on n-3 Polyunsaturated Fatty Acids Enrichment and Antioxidant Properties of Muscle in Beijing Fatty Chicken

  • ZHAO Danyang ,
  • WU Yushan ,
  • LI Junguo ,
  • SHANG Fangfang ,
  • DU Wenlong ,
  • YU Zhiqin ,
  • GU Xu
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  • 1. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
    2. Agriculture and Rural Ministry Quality and Safety Risk Evaluation Laboratory of Feed and Feed Additives for Animal Husbandry, Beijing 100081, China

Received date: 2020-04-07

  Online published: 2020-11-16

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摘要

本试验旨在研究亚麻籽和维生素E对北京油鸡生长状况、n-3多不饱和脂肪酸（PUFA）在鸡肉中的沉积、肌肉品质及脂肪酸合成代谢基因表达的影响。试验选用270只10周龄北京油鸡，随机分为3组，每组6个重复，每个重复15只鸡。Ⅰ组为阴性对照组，饲喂基础饲粮，Ⅱ组为阳性对照组，饲喂在基础饲粮中添加9%亚麻籽的试验饲粮，Ⅲ组为试验组，饲喂在基础饲粮中添加9%亚麻籽+200 mg/kg维生素E的试验饲粮，进行为期8周的饲养试验。结果表明：1）添加亚麻籽及维生素E对北京油鸡生长性能没有显著影响（P>0.05）。2）添加亚麻籽及维生素E对北京油鸡屠宰性能没有显著影响（P>0.05）。3）添加亚麻籽对北京油鸡肌肉品质和抗氧化特性影响不显著（P>0.05），添加维生素E后肌肉超氧化物歧化酶（SOD）活性和活性氧（ROS）含量显著降低（P<0.05），但对肌肉的滴水损失和丙二醛（MDA）含量没有显著影响（P>0.05）。4）添加亚麻籽极显著提高了饲粮和肌肉中n-3PUFA的含量（P<0.01），添加维生素E对肌肉脂肪酸组成没有显著影响（P>0.05）。5）添加亚麻籽和维生素E对肝脏脂肪酸合成酶和脂肪酸去饱和酶2基因相对表达量没有显著影响（P>0.05）。由此可见，添加9%亚麻籽，北京油鸡肌肉中n-3PUFA富集含量显著增加而不影响肌肉的抗氧化特性，且对生长有一定的促进作用；添加200 mg/kg维生素E饲喂北京油鸡8周，肌肉抗氧化特性有所降低。

关键词： 亚麻籽; 维生素E; 北京油鸡; 生长性能; n-3多不饱和脂肪酸; 肉品质

本文引用格式

赵丹阳 , 吴雨珊 , 李军国 , 商方方 , 杜文龙 , 于治芹 , 谷旭 . 饲粮添加亚麻籽和维生素E对北京油鸡肌肉n-3多不饱和脂肪酸富集和抗氧化特性的影响[J]. 动物营养学报, 2020 , 32(11) : 5243 -5254 . DOI: 10.3969/j.issn.1006-267x.2020.11.029

Abstract

The present study was conducted to evaluate the effects of flaxseed and vitamin E on the growth status, n-3 polyunsaturated fatty acid (PUFA) contents in muscle, muscle quality and expression of fatty acid anabolism genes of Beijing fatty chicken. A total of 270 Beijing fatty chickens at 10 weeks of age were randomly divided into 3 groups with 6 replicates per group and 15 chickens per replicate. Chickens in group Ⅰ was fed a basal diet for the negative control group, chickens in group Ⅱ was fed the basal diet with 9% flaxseed for the positive control group, and others in group Ⅲ was fed the basal diet with 9% flaxseed +200 mg/kg vitamin E for the experimental group, and the experiment lasted for 8 weeks. The results showed as follows: 1) the supplementation of flaxseed and vitamin E had no significant effect on the growth performance of chicken (P>0.05). 2) There was no significant difference on the slaughter performance of chicken among all groups (P>0.05). 3) Adding flaxseed had no significant effect on muscle quality and antioxidant properties of chicken (P>0.05), the superoxide dismutase (SOD) activity and reactive oxygen (ROS) content of muscle were significantly reduced (P<0.05), while the dietary vitamin E supplementation had no significant effect on muscle drip loss and malonaldehyde (MDA) content (P>0.05). 4) The supplementation of flaxseed significantly increased the content of n-3PUFA in muscle (P<0.01), while the dietary vitamin E supplementation had no significant effect on muscle fatty acid composition (P>0.05). There were no significant differences in the gene relative expression levels of fatty acid synthase and fatty acid desaturase 2 in liver among all groups (P>0.05). It is concluded that the supplementation of 9% flaxseed significantly increase the content of n-3PUFA in Beijing fatty chicken muscle without affecting the oxidative stability of the muscle, and is beneficial to the growth of Beijing fatty chicken to a certain extent. The supplementation of 200 mg/kg vitamin E for 8 weeks reduces the antioxidant properties of muscle.

Key words： flaxseed; vitamin E; Beijing fatty chicken; growth performance; n-3PUFA; meat quality

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