动物营养学报 >

2019 , Vol. 31 >Issue 12: 5526 - 5532

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.12.018

猪与禽营养 Swine and poultry nutrition

饲粮维生素C添加水平对高温环境中笼养蛋鸭产蛋性能、蛋品质及血清免疫、抗氧化和激素指标的影响

  • 黄璇 ,
  • 姚亚铃 ,
  • 李闯 ,
  • 张旭 ,
  • 蒋桂韬 ,
  • 胡艳 ,
  • 戴求仲
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  • 1. 湖南省畜牧兽医研究所动物营养与饲养技术研究室, 长沙 410131;
    2. 湖南家禽安全生产工程技术研究中心, 长沙 410128;
    3. 怀化市畜牧水产事务中心, 怀化 418000
黄璇(1986-),女,湖南浏阳人,助理研究员,硕士,从事家禽营养与饲料科学研究。E-mail:409097385@qq.com

收稿日期: 2019-05-28

  网络出版日期: 2019-12-13

基金资助

现代农业产业技术体系建设专项资金（CARS-42-21）；湖南省重点研发计划（2017NK2163）；湖南家禽安全生产工程技术中心专项资金（CICAPS）

收起

Effects of Dietary Vitamin C Supplemental Level on Laying Performance, Egg Quality and Serum Immune, Antioxidant and Hormonal Indices of Cage-Rearing Laying Ducks at High Ambient Temperature

  • HUANG Xuan ,
  • YAO Yaling ,
  • LI Chuang ,
  • ZHANG Xu ,
  • JIANG Guitao ,
  • HU Yan ,
  • DAI Qiuzhong
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  • 1. Animal Nutrition and Feeding Technology Laboratory, Hunan Institute of Animal Science and Veterinary Medicine, Changsha 410131, China;
    2. Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, China;
    3. Huaihua Animal Husbandry and Aquatic Transaction Center, Huaihua 418000, China

Received date: 2019-05-28

  Online published: 2019-12-13

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摘要

本试验旨在研究饲粮维生素C添加水平对高温环境中笼养蛋鸭产蛋性能、蛋品质及血清免疫、抗氧化和激素指标的影响，进而确定其维生素C需要量。选取29周龄、健康且产蛋率接近的临武鸭200羽，随机分为5个组，每组5个重复，每个重复8羽。各组饲粮中维生素C添加水平分别为0、200、400、600和800 mg/kg。试验期7周。结果表明：1）200 mg/kg维生素C水平组合格蛋率显著高于0 mg/kg维生素C水平组（P<0.05），400、600和800 mg/kg维生素C水平组合格蛋率显著高于0和200 mg/kg维生素C水平组（P<0.05）。2）200、400、600和800 mg/kg维生素C水平组蛋壳厚度显著高于0 mg/kg维生素C水平组（P<0.05）。400 mg/kg维生素C水平组蛋白高度显著高于0和200 mg/kg维生素C水平组（P<0.05）。3）400、600和800 mg/kg维生素C水平组血清免疫球蛋白G含量显著高于0 mg/kg维生素C水平组（P<0.05）。400、600和800 mg/kg维生素C水平组血清超氧化物歧化酶活性和谷胱甘肽含量显著高于0和200 mg/kg维生素C水平组（P<0.05）。4）400、600和800 mg/kg维生素C水平组血清雌二醇含量显著高于0 mg/kg维生素C水平组（P<0.05）。400 mg/kg维生素C水平组血清胰岛素含量显著高于0和200 mg/kg维生素C水平组（P<0.05）。由此可见，饲粮中适宜的维生素C添加水平能够提高笼养蛋鸭合格蛋率、蛋品质、机体抗氧化能力、激素指标以及免疫功能。综合这些指标，高温环境中笼养临武蛋鸭饲粮中维生素C适宜添加水平为400 mg/kg。

关键词： 维生素C; 笼养蛋鸭; 高温环境; 免疫功能; 抗氧化能力

本文引用格式

黄璇 , 姚亚铃 , 李闯 , 张旭 , 蒋桂韬 , 胡艳 , 戴求仲 . 饲粮维生素C添加水平对高温环境中笼养蛋鸭产蛋性能、蛋品质及血清免疫、抗氧化和激素指标的影响[J]. 动物营养学报, 2019 , 31(12) : 5526 -5532 . DOI: 10.3969/j.issn.1006-267x.2019.12.018

Abstract

This study was conducted to evaluate the effects of dietary vitamin C supplemental level on laying performance, egg quality and serum immune, antioxidant and hormonal indices of cage-rearing laying ducks at high ambient temperature, and to evaluate vitamin C requirement of ducks. A total of 200 healthy 29-week-old Linwu ducks with similar laying rate were randomly assigned to 5 groups with 5 replicates in each group and 8 ducks in each replicate. Ducks in 5 experimental groups were fed the basal diet supplemented with 0, 200, 400, 600 and 800 mg/kg vitamin C, respectively. The experiment lasted for 7 weeks. The results showed as follows:1) the qualified rate of egg in 200 mg/kg vitamin C group was significantly higher than that in 0 mg/kg vitamin C group (P<0.05), and the qualified rate of egg in 400, 600 and 800 mg/kg vitamin C groups was significantly higher than that in 0 and 200 mg/kg vitamin C groups (P<0.05). 2) The eggshell thickness in 200, 400, 600 and 800 mg/kg vitamin C groups was significantly higher than that in 0 mg/kg vitamin C group (P<0.05). The albumen height in 400 mg/kg vitamin C group was significantly higher than that in 0 and 200 mg/kg vitamin C groups (P<0.05). 3) The serum immunoglobulin G content in 400, 600 and 800 mg/kg vitamin C groups was significantly higher than that in 0 mg/kg vitamin C group (P<0.05). The serum superoxide dismutase activity and glutathione content in 400, 600 and 800 mg/kg vitamin C groups were significantly higher than those in 0 and 200 mg/kg vitamin C groups (P<0.05). 4) The serum estradiol content in 400, 600 and 800 mg/kg vitamin C groups was significantly higher than that in 0 mg/kg vitamin C group (P<0.05). The serum insulin content in 400 mg/kg vitamin C group was significantly higher than that in 0 and 200 mg/kg vitamin C groups (P<0.05). In conclusion, dietary appropriate supplemental level of vitamin C can improve the qualified egg rate, egg quality, body antioxidant capacity, hormone indices and immune function of cage-rearing laying ducks. Comprehensive consideration, the dietary appropriate supplemental level of vitamin C for cage-rearing Linwu laying ducks at high ambient temperature is 400 mg/kg.

Key words： vitamin C; cage-rearing laying ducks; high ambient temperature; immune function; antioxidant capacity

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