不同硒源及硒水平对产蛋鸡生产性能和蛋品质的影响

中国畜牧兽医

不同硒源及硒水平对产蛋鸡生产性能和蛋品质的影响

崔国强^1,2, 王海宏², 初芹², 张剑², 耿爱莲², 刘辉², 王继华¹, 刘华贵²

1. 河北工程大学农学院,河北邯郸 056002;
2. 北京市农林科学院畜牧兽医研究所,北京 100097

收稿日期:2011-11-09 出版日期:2012-09-20 发布日期:2012-09-18
通讯作者: 刘华贵(1966—),男,湖北人,博士,研究员,研究方向:优质鸡育种、肉蛋品质评定以及健康养殖技术。E-mail:Liuhuagui66@163.com E-mail:Liuhuagui66@163.com
作者简介:崔国强(1984—),男,河北人,硕士生,研究方向:繁殖的营养调控。
基金资助:
北京市农科院畜牧兽医研究所科研课题经费。

The Effect of Different Levels and Sources of Dietery Selenium Supplementation on Laying Hen’s Production Performance and Egg Quality

CUI Guo-qiang^1,2, WANG Hai-hong², CHU Qin², ZHANG Jian², GENG Ai-lian², LIU Hui², WANG Ji-hua¹, LIU Hua-gui²

1. College of Agriculture, Hebei University of Engineering, Handan 056002,China;
2. Institute of Animal Sciences and Veterinary Medicines, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097,China

Received:2011-11-09 Online:2012-09-20 Published:2012-09-18

摘要/Abstract

摘要： 试验旨在研究添加不同水平的亚硒酸钠和酵母硒对产蛋鸡生产性能和蛋品质的影响。试验选用23周龄北京油鸡和罗曼粉杂交一代产蛋母鸡648只,随机分为12组,每组6个重复,每个重复9只鸡,进行为期8周的饲养试验。试验1~6组在基础日粮中分别添加含硒0.3、1.0、2.0、3.0、4.0、5.0 mg/kg的亚硒酸钠,试验7~12组在基础日粮中分别添加含硒0.3、1.0、2.0、3.0、4.0、5.0 mg/kg的酵母硒。结果表明,在产蛋鸡的饲料中添加5.0 mg/kg以内的亚硒酸钠或酵母硒都有提高产蛋率的趋势(P＞0.05),且对蛋品质无明显不良影响。若以提高产蛋率为目的,亚硒酸钠的添加水平以2.0 mg/kg为宜,酵母硒的添加水平以3.0 mg/kg为宜。酵母硒的使用效果优于亚硒酸钠。酵母硒组采食量和蛋壳强度显著高于亚硒酸钠组(P＜0.05),亚硒酸钠组蛋白高度和哈氏单位显著高于酵母硒组(P＜0.05)。

关键词: 硒; 产蛋鸡; 生产性能; 蛋品质

Abstract: The aim of this experiment was to study the effect of different levels and sources of dietery selenium supplementation on laying hen’s production performance and egg quality. 648 hybrid and laying hens of Beijing You chicken and Lohmann-pink chicken with age in 23-week were randomly allocated into 12 groups according to experiment requirement to compare the effects of different doses of two sources of selenium on production performances and egg quality in laying hens for 8-week feeding in this study. Both selenium sources were added into the basal diet at 0.3, 1.0, 2.0, 3.0,4.0 and 5.0 mg/kg of selenium, and 1 to 6 groups were added with sodium selenite while 7 to 12 groups with selenium-enriched yeast. The results indicated that the selenium addition of less than 5.0 mg/kg tended to increase the laying rate(P＞0.05) and had no significant negative impacts on egg quality,whatever its sources. The selenium-enriched yeast had better effects than sodium selenite on production performances and egg quality in laying hens.The best selenium level in laying hen’s feed was separately 2.0 and 3.0 mg/kg in the form of sodium selenite and selenium-enriched yeast.The group of selenium-enriched yeast was significant higher than the group of sodium selenite on the average daily feed intake and the eggshell strength(P＜0.05),while the group of sodium selenite was significant higher than the group of selenium-enriched yeast on albumen height and haugh unit(P＜0.05).

Key words: selenium; laying hen; production performance; egg quality

中图分类号:

S816.72

崔国强, 王海宏, 初芹, 张剑, 耿爱莲, 刘辉, 王继华, 刘华贵. 不同硒源及硒水平对产蛋鸡生产性能和蛋品质的影响[J]. 中国畜牧兽医.

CUI Guo-qiang, WANG Hai-hong, CHU Qin, ZHANG Jian, GENG Ai-lian, LIU Hui, WANG Ji-hua, LIU Hua-gui. The Effect of Different Levels and Sources of Dietery Selenium Supplementation on Laying Hen’s Production Performance and Egg Quality[J]. .

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