禽营养 Poultry nutrition

不同水平有机微量元素对蛋鸡矿物元素沉积与排泄的影响

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  • 1. 河南科技大学动物科技学院, 洛阳 471003;
    2. 河南艾格多科技有限公司, 郑州 450000
何万领(1976-),男,河南商丘人,副教授,博士,研究方向为蛋鸡营养、微量元素与环境效应。E-mail:hwling921@126.com

收稿日期: 2017-06-29

  网络出版日期: 2018-01-04

基金资助

河南科技大学青年科学基金项目(2015QN039);国家自然科学基金项目(U150410380);河南科技大学创新培育基金项目(4025-13480066);河南艾格多科技有限公司重点攻关项目(2016ZD0013)

Effects of Different Levels of Organic Trace Elements on Deposition and Excretion of Mineral Elements of Laying Hens

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  • 1. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China;
    2. Henan Egdoo Biological Technology Co., Ltd., Zhengzhou 450000, China

Received date: 2017-06-29

  Online published: 2018-01-04

摘要

本试验旨在研究不同水平有机微量元素对蛋鸡矿物元素沉积和排泄的影响。试验选取240只25周龄的海兰褐蛋鸡,随机分为4组,每组6个重复,每个重复10只鸡。对照组饲粮按照NRC (1994)推荐量添加无机微量元素(inorganic trace element,ITE),试验1、2和3组饲粮分别按照NRC (1994)推荐量的60%、80%和100%添加有机微量元素(organic trace element,OTE)。试验期49 d。结果表明:1)与对照组相比,试验1组血液铜和锌含量及试验2、3组血液铜、锌、锰和胰脏锌含量均显著升高(P0.05)。由此可见,有机微量元素能够促进铁、铜、锌、锰在蛋鸡体内和鸡蛋中的沉积,降低相应元素的排泄,并以NRC (1994)推荐量的60%添加效果最好。

关键词: 微量元素; 蛋鸡; 沉积; 排泄

本文引用格式

何万领, 李晓丽, 李旺, 丁轲, 李元晓, 任振东 . 不同水平有机微量元素对蛋鸡矿物元素沉积与排泄的影响[J]. 动物营养学报, 2018 , 30(1) : 75 -83 . DOI: 10.3969/j.issn.1006-267x.2018.01.011

Abstract

The aim of this study was to evaluate the effects of different levels of organic trace elements (OTE) on deposition and excretion of mineral elements of laying hens. Two hundred and forty 25-week-old Hy-Line brown laying hens were randomly divided into 4 groups with 6 replicates per group and 10 laying hens per replicate. The laying hens in control group were fed a diet added with inorganic trace elements according to the recommendation of NRC (2004), and the laying hens in trial groups 1, 2 and 3 were fed the diet added with an inclusion level of 60%, 80% and 100% of organic trace elements according to the recommendation of NRC (2004), respectively. The experimental period was 49 days. The results showed as follows:1) compared with the control group, the blood copper and zinc contents in trial groups 1 and the blood copper, zinc, manganese and pancreatic zinc contents in trial groups 2 and 3 were significantly increased (P0.05). It is concluded that OTE can promote the deposition of iron, copper, zinc and manganese both in layer hens and eggs and reduce the excretion of corresponding elements, and the supplemental level of 60% according to the recommendation of NRC (2004) is better for laying hens.

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