动物营养学报 >

2014 , Vol. 26 >Issue 7: 1807 - 1813

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.07.012

禽营养 Poultry Nutrition

饲粮烟酸添加水平对产蛋初期蛋鸭产蛋性能、蛋品质及血浆生化指标的影响

  • 王爽 ,
  • 张罕星 ,
  • 阮栋 ,
  • 陈伟 ,
  • 林映才
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  • 广东省农业科学院动物科学研究所, 畜禽育种国家重点实验室, 农业部动物营养与饲料(华南)重点开放实验室, 广东省动物育种与营养公共实验室, 广东省畜禽育种与营养研究重点实验室, 广州 510640

收稿日期: 2014-01-29

  网络出版日期: 2014-07-01

基金资助

现代农业产业技术体系建设专项资金资助（CARS-43-13）

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Effects of Dietary Niacin Supplemental Level on Laying Performance, Egg Quality and Plasma Biochemical Indexes of Ducks during the Early Laying Period

  • WANG Shuang ,
  • ZHANG Hanxing ,
  • RUAN Dong ,
  • CHEN Wei ,
  • LIN Yingcai
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  • State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science (South China) of Ministry of Agriculture, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Science, Guangzhou 510640, China

Received date: 2014-01-29

  Online published: 2014-07-01

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摘要

本试验旨在探讨饲粮烟酸添加水平对产蛋初期蛋鸭产蛋性能、蛋品质及血浆生化指标的影响。试验采用单因子完全随机设计，将1 050只105日龄的健康、初产福建龙岩山麻鸭随机分为7个处理，每个处理6个重复，每个重复25只鸭。饲粮烟酸添加水平分别为0、15、30、45、60、75、90 mg/kg。试验期为28 d。结果表明：1）饲粮烟酸添加水平对产蛋初期蛋鸭产蛋性能影响不显著（P>0.05），但当饲粮烟酸添加水平为15 mg/kg时，产蛋率及日产蛋重均达到最大值。2）饲粮烟酸添加水平为15、45、60 mg/kg时，蛋黄色泽有升高趋势（P>0.05），但饲粮烟酸添加水平为75、90 mg/kg时又显著下降（P<0.05）。随饲粮烟酸添加水平的升高，蛋壳厚度显著增加（P<0.05）。3）血浆中胆固醇、甘油三酯及低密度脂蛋白胆固醇含量随饲粮烟酸添加水平的增加显著下降（P<0.05）；而高密度脂蛋白胆固醇含量随饲粮烟酸添加水平的增加显著升高（P<0.05），饲粮烟酸添加水平为90 mg/kg时显著下降（P<0.05）。综上所述，建议蛋鸭产蛋初期玉米-豆粕型饲粮烟酸添加水平为15 mg/kg，此时饲粮中总烟酸水平为47 mg/kg。饲粮烟酸水平能够剂量性地调控初产蛋鸭的脂类代谢。

关键词： 烟酸; 产蛋性能; 蛋品质; 脂类代谢

本文引用格式

王爽 , 张罕星 , 阮栋 , 陈伟 , 林映才 . 饲粮烟酸添加水平对产蛋初期蛋鸭产蛋性能、蛋品质及血浆生化指标的影响[J]. 动物营养学报, 2014 , 26(7) : 1807 -1813 . DOI: 10.3969/j.issn.1006-267x.2014.07.012

Abstract

This experiment was conducted to study the effects of dietary niacin supplemental level on laying performance, egg quality and plasma biochemical indexes of ducks during the early laying period. One thousand and fifty healthy Fujian Longyan ducks with the age of 105 days were randomly allotted into 7 treatments with 6 replicates per treatment and 25 ducks per replicate. Ducks in the 7 treatments were fed the basal diets supplemented with 0, 15, 30, 45, 60, 75 and 90 mg/kg niacin, respectively. The experiment lasted for 28 days. The results showed as follows: 1) dietary niacin supplemental level had no significant effects on laying performance of ducks during the early laying period (P>0.05), when dietary niacin supplemental level was 15 mg/kg, the laying rate and daily egg weight got the maximal value. 2) When dietary niacin supplemental levels were 15, 45 and 60 mg/kg, the yolk color had a increased tendency (P>0.05), however, when dietary niacin supplemental levels were 75 and 60 mg/kg, it significantly decreased (P<0.05). The eggshell thickness was significantly increased with dietary niacin supplemental level increasing (P<0.05). 3) The contents of triglyceride, cholesterol and low density lipoprotein-cholesterol in plasma were significantly decreased with dietary niacin supplemental level increasing (P<0.05); the plasma high density lipoprotein-cholesterol content was significantly increased with dietary niacin supplemental level increasing (P<0.05), when dietary niacin supplemental level was 90 mg/kg, it significantly decreased (P<0.05). In conclusion, the suggested dietary niacin supplemental level is 15 mg/kg in the corn-soybean diet of ducks during the early laying period, which means dietary total niacin level is 47 mg/kg. Dietary niacin level regulates the lipids metabolism in dose-dependent manner.

Key words： niacin; laying performance; egg quality; lipids metabolism

参考文献

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