动物营养学报 >

2020 , Vol. 32 >Issue 6: 2889 - 2895

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.06.049

研究简报 SHORT COMMUNICATION

饲粮核黄素水平对产蛋期北京鸭产蛋性能、蛋品质、血浆生化指标及血浆、蛋黄、蛋清中核黄素含量的影响

  • 赵睿 ,
  • 张博 ,
  • 夏芳 ,
  • 唐静 ,
  • 侯水生 ,
  • 吕丽华 ,
  • 冯焱
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  • 1. 山西农业大学动物科技学院, 太谷 030801;
    2. 中国农业科学院北京畜牧兽医研究所, 动物营养学国家重点实验室, 北京 100193;
    3. 安徽省芜湖市畜牧兽医局, 芜湖 241000;
    4. 山西农业大学生命科学学院, 太谷 030801
赵睿(1994-),女,山西长治人,硕士研究生,从事动物营养与繁殖研究。E-mail:1410604839@qq.com

收稿日期: 2019-11-28

  网络出版日期: 2020-06-16

基金资助

山西省留学项目（2017-67）；中央级公益性科研院所基本科研业务费专项（2018-YWF-YTS-8）；山西省科技厅转化项目（J241942022）

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Effects of Dietary Riboflavin Level on Laying Performance, Egg Quality and Plasma Biochemical Parameters and Contents of Riboflavin in Plasma, Yolk and Albumen of Pekin Ducks during Laying Period

  • ZHAO Rui ,
  • ZHANG Bo ,
  • XIA Fang ,
  • TANG Jing ,
  • HOU Shuisheng ,
  • LYU Lihua ,
  • FENG Yan
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  • 1. College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China;
    2. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    3. Wuhu Animal Husbandry and Veterinary Bureau, Wuhu 241000, China;
    4. College of Life Science, Shanxi Agricultural University, Taigu 030801, China

Received date: 2019-11-28

  Online published: 2020-06-16

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摘要

本试验旨在研究饲粮核黄素水平对产蛋期北京鸭产蛋性能、蛋品质、血浆生化指标及血浆、蛋黄、蛋清中核黄素含量的影响。采用单因子完全随机试验设计，选取80只40周龄产蛋期北京鸭母鸭，随机分为5个组，每组8个重复，每个重复2只鸭。各组分别饲喂核黄素水平为1.48、3.98、6.48、11.48和16.48 mg/kg的试验饲粮。试验期7周。结果显示：1）饲粮核黄素水平对产蛋期北京鸭的体重、产蛋率、蛋重均无显著影响（P>0.05）。2）饲粮核黄素水平对产蛋期北京鸭的蛋壳强度、蛋黄颜色、哈氏单位、蛋黄重及蛋黄比例均无显著影响（P>0.05）。3）饲粮核黄素水平对产蛋期北京鸭的血浆谷丙转氨酶、谷草转氨酶活性及总胆固醇、甘油三酯、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇含量均无显著影响（P>0.05）。4）饲粮核黄素水平对产蛋期北京鸭血浆、蛋黄、蛋清中核黄素含量均有显著影响（P<0.05）。随着饲粮核黄素水平提高，各组血浆、蛋黄和蛋清中核黄素含量均呈上升趋势，当饲粮核黄素水平提高至11.48 mg/kg时，血浆、蛋黄和蛋清核黄素含量均达到稳定。由此可见，饲粮核黄素水平对产蛋期北京鸭产蛋性能、蛋品质和血浆生化指标均无显著影响，但对血浆、蛋黄和蛋清中核黄素的含量有提高作用。分别以血浆、蛋黄和蛋清中核黄素含量作为评价指标，采用折线模型估测产蛋期北京鸭核黄素的需要量为6.91、5.04和8.02 mg/kg。

关键词： 核黄素; 维生素B2; 北京鸭; 产蛋性能; 蛋品质; 血浆生化指标

本文引用格式

赵睿 , 张博 , 夏芳 , 唐静 , 侯水生 , 吕丽华 , 冯焱 . 饲粮核黄素水平对产蛋期北京鸭产蛋性能、蛋品质、血浆生化指标及血浆、蛋黄、蛋清中核黄素含量的影响[J]. 动物营养学报, 2020 , 32(6) : 2889 -2895 . DOI: 10.3969/j.issn.1006-267x.2020.06.049

Abstract

This experiment was conducted to investigate the effects of dietary riboflavin level on laying performance, egg quality and plasma biochemical parameters and contents of riboflavin in plasma, yolk and albumen of Pekin ducks during laying period. A single factor completely randomize design was used, eighty 40-week-old female Pekin ducks during laying period were randomly divided into 5 groups with 8 replicates per group and 2 ducks per replicate. Ducks in the 5 groups were fed the experimental diets which riboflavin levels were 1.48, 3.98, 6.48, 11.48 and 16.48 mg/kg, respectively. The experiment lasted for 7 weeks. The results showed as follow: 1) dietary riboflavin level had no significant effects on body weight, laying rate and egg weight of Pekin ducks during laying period (P>0.05). 2) Dietary riboflavin level had no significant effects on eggshell strength, eggshell color, Haugh unit, yolk weight and yolk proportion of Pekin ducks during laying period (P>0.05). 3) Dietary riboflavin level had no significant effects on activities of alanine aminotransferase and glutamate aminotransferase and contents of total cholesterol, triglycerides, high density lipoprotein cholesterol, low density lipoprotein cholesterol in plasma of Pekin ducks during laying period (P>0.05). 4) Dietary riboflavin level had significant effects on the contents of riboflavin in plasma, yolk and albumen of Pekin ducks during laying period (P<0.05). With dietary riboflavin level increased, the contents of riboflavin in plasma, yolk and albumen of each group showed an increase trend, and reached a plateau when dietary riboflavin level increased to 11.48 mg/kg. In conclusion, dietary riboflavin level had no significant effects on laying performance, egg quality and plasma biochemical parameters of Pekin ducks during laying period, but can improve the contents of riboflavin in plasma, yolk and albumen. Using the contents of riboflavin in plasma, yolk and albumen as evaluation indexes, the estimated riboflavin requirement of Pekin ducks during laying period by broken line model are 6.91, 5.04 and 8.02 mg/kg, respectively.

Key words： riboflavin; vitamin B2; Pekin ducks; laying performance; egg quality; plasma biochemical parameters

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