苜草素对产蛋后期蛋鸡脂肪肝出血综合征的预防作用

高媛媛; 杨长进; 董晓芳; 佟建明; 高玉鹏

doi:10.3969/j.issn.1006-267x.2016.10.017

动物营养学报 >

2016 , Vol. 28 >Issue 10: 3153 - 3160

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.10.017

饲料营养 Feed Science and Technology

苜草素对产蛋后期蛋鸡脂肪肝出血综合征的预防作用

高媛媛 ,
杨长进 ,
董晓芳 ,
佟建明 ,
高玉鹏

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1. 中国农业科学院北京畜牧兽医研究所, 北京 100193;
2. 西北农林科技大学动物科技学院, 杨凌 712100

收稿日期: 2016-04-11

网络出版日期: 2016-10-17

基金资助

“十二五”国家科技支撑计划课题（2013BAD10B04）；国家蛋鸡产业技术体系建设专项经费（CARS-41-K16）；中国农业科学院科技创新工程（ASTIP-IAS08）

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Prophylactic Effects of Polysavone on Fatty Liver Hemorrhagic Syndrome of Laying Hens in Late-Phase

GAO Yuanyuan ,
YANG Changjin ,
DONG Xiaofang ,
TONG Jianming ,
GAO Yupeng

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1. Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
2. College of Animal Science and Technology, Northwest A & F University, Yangling 712100, China

Received date: 2016-04-11

Online published: 2016-10-17

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摘要

本试验旨在研究苜草素对产蛋后期蛋鸡脂肪肝出血综合征（FLHS）的预防作用。选用500日龄京红1号产蛋鸡1 008只，随机等分为7组，每组6个重复，每个重复24只鸡。Ⅰ组为对照组，饲喂常规饲粮（代谢能11.10 MJ/kg，粗蛋白质17.68%）；Ⅱ~Ⅶ组为试验组，饲喂高能低蛋白质饲粮（代谢能12.87 MJ/kg，粗蛋白质13.84%），并分别在饲粮中添加0、200、400、600、800、1 000 mg/kg苜草素。试验期60 d。结果表明：1）与对照组相比，高能低蛋白质饲粮组（Ⅱ组）蛋鸡第30天时即可表现出明显的FLHS病理特征，第1~30天平均日采食量、产蛋率、蛋重、产蛋量显著降低（P<0.05），料蛋比显著升高（P<0.05），第1~60天趋势更加显著（P<0.05）；第42天蛋白高度和哈氏单位显著降低（P<0.05）。2）在高能低蛋白质饲粮中添加不同梯度的苜草素均能降低FLHS发生率，提高第1~60天的平均日采食量、产蛋率、产蛋量，降低料蛋比；提高第42天的蛋白高度、哈氏单位。由此可见，高能低蛋白质饲粮能够诱导蛋鸡FLHS，补充苜草素具有预防作用。

关键词： 苜草素; 蛋鸡; 脂肪肝出血综合征

本文引用格式

高媛媛 , 杨长进 , 董晓芳 , 佟建明 , 高玉鹏 . 苜草素对产蛋后期蛋鸡脂肪肝出血综合征的预防作用[J]. 动物营养学报, 2016 , 28(10) : 3153 -3160 . DOI: 10.3969/j.issn.1006-267x.2016.10.017

Abstract

This experiment was conducted to investigate the prophylactic effects of polysavone (alfalfa extract) on fatty liver hemorrhagic syndrome (FLHS) of laying hens in late-phase. A total of 1 008 Jinghong No. 1 laying hens aged 500 days were randomly divided into 7 groups, with 6 replicates per group and 24 hens per replicate. Hens in group Ⅰ (control group) were fed a common diet (metabolic energy 11.10 MJ/kg; crude protein 17.68%), while hens in groups Ⅱ, Ⅲ, Ⅳ, Ⅴ, Ⅵ and Ⅶ (experimental groups) were fed high-energy and low-protein diets (metabolic energy 12.87 MJ/kg; crude protein 13.84%) supplemented with 0, 200, 400, 600, 800, 1 000 mg/kg ploysavone, respectively. The experiment lasted for 60 days. The results were as follows:1) compared with the control group, feeding a high-energy and low-protein diet without polysavone for 30 days induced FLHS, at the 1 to 30 days, the average daily feed intake (ADFI), laying rate, egg weight and egg mass were significantly decreased (P<0.05), and the ratio of feed to egg was significantly increased (P<0.05), and at the 1 to 60 days, the trend was more obvious (P<0.05); at the 42 days, the albumen height and Haugh unit were significantly decreased (P<0.05). 2) Adding different gradients of ploysavone in high-energy low-protein diet could decrease the incidence rate of FLHS; increase the ADFI, laying rate, egg mass at the 1 to 60 days, decrease the ratio of feed to egg; increase albumen height and haugh unit at the 42 days. In conclusion, high-energy low-protein diet can induce FLHS in laying hens, while supplement of ploysavone can prevent the induction of FLHS.

Key words： polysavone; laying hens; fatty liver hemorrhagic syndrome

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