动物营养学报 >

2021 , Vol. 33 >Issue 4: 2033 - 2043

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.04.023

禽营养与饲料 POULTRY NUTRITION AND FEED

复合植物提取物对蛋鸡生产性能、肠道黏膜形态及盲肠菌群结构的影响

  • 陈祥宇 ,
  • 耿浩川 ,
  • 侯建库 ,
  • 侯斐 ,
  • 李福伟 ,
  • 王飞 ,
  • 朱亚昊 ,
  • 刘萌 ,
  • 周荣艳 ,
  • 陈一凡 ,
  • 王德贺 ,
  • 陈辉
展开
  • 1. 河北农业大学动物科技学院, 保定 071001;
    2. 辛集市动物疫病预防控制中心, 辛集 052360;
    3. 保定市顺平县农业农村局, 保定 071001;
    4. 山东省农业科学院家禽研究所, 济南 250023;
    5. 北京大友汉腾畜牧技术有限公司, 北京 101300
陈祥宇(1997-),女,河北石家庄人,硕士研究生,从事家禽养殖研究。E-mail:1393049213@qq.com

收稿日期: 2020-08-30

  网络出版日期: 2021-04-15

基金资助

国家蛋鸡产业技术体系（CARS-40-K20）；农业高质量发展关键共性技术攻关专项（20326609D）；山东省重大创新工程项目（2019JZZY020611）

收起

Effects of Compound Plant Extracts on Performance, Intestinal Mucosal Morphology and Cecal Microflora Structure of Laying Hens

  • CHEN Xiangyu ,
  • GENG Haochuan ,
  • HOU Jianku ,
  • HOU Fei ,
  • LI Fuwei ,
  • WANG Fei ,
  • ZHU Yahao ,
  • LIU Meng ,
  • ZHOU Rongyan ,
  • CHEN Yifan ,
  • WANG Dehe ,
  • CHEN Hui
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  • 1. College of Animal Science and Technology, Agricultural University of Hebei, Baoding 071001, China;
    2. Xinji City Center for Animal Disease Prevention and Control, Xinji 052360, China;
    3. Agricultural and Rural Bureau of Shunping County of Baoding City, Baoding 071001, China;
    4. Institute of Poultry Science, Shandong Academy of Agricultural Sciences, Ji'nan 250023, China;
    5. Beijing Dayou Hanteng Animal Husbandry Technology Co., Ltd., Beijing 101300, China

Received date: 2020-08-30

  Online published: 2021-04-15

Supported by

 

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摘要

本试验旨在研究饲粮中添加不同水平复合植物提取物对蛋鸡生产性能、肠道黏膜形态及盲肠菌群结构的影响。试验选取960只42周龄的健康状态良好且体重、产蛋率相近的海兰灰蛋鸡，随机分为4组，每组5个重复，每个重复48只鸡。对照组饲喂基础饲粮，试验Ⅰ、Ⅱ、Ⅲ组在基础饲粮中分别添加150、300和450 mg/kg复合植物提取物。预试期10 d，正试期56 d。结果显示：1）与对照组相比，饲粮中添加300和450 mg/kg复合植物提取物显著提高了蛋鸡的产蛋率（P<0.05）。2）与对照组相比，饲粮中添加300 mg/kg复合植物提取物显著降低了空肠和十二指肠隐窝深度（P<0.05），显著增加了十二指肠绒毛高度与隐窝深度的比值（P<0.05）。3）在盲肠菌群结构方面，与对照组相比，在门水平上，饲粮中添加300和450 mg/kg复合植物提取物显著提高了拟杆菌门的相对丰度（P<0.05），饲粮中添加450 mg/kg复合植物提取物显著降低了厚壁菌门的相对丰度（P<0.05）；在属水平上，饲粮中添加450 mg/kg复合植物提取物显著提高了拟杆菌属的相对丰度（P<0.05），有提高艾克曼菌属相对丰度的趋势（P=0.063）。综上所述，在本试验条件下，饲粮中添加300 mg/kg复合植物提取物可提高蛋鸡的产蛋率，降低空肠和十二指肠隐窝深度，提高十二指肠绒毛高度和隐窝深度，并提高盲肠菌群中拟杆菌门的相对丰度，从而改善蛋鸡的肠道黏膜形态及盲肠菌群结构，提高生产性能。

关键词： 复合植物提取物; 蛋鸡; 肠道黏膜形态; 盲肠菌群

本文引用格式

陈祥宇 , 耿浩川 , 侯建库 , 侯斐 , 李福伟 , 王飞 , 朱亚昊 , 刘萌 , 周荣艳 , 陈一凡 , 王德贺 , 陈辉 . 复合植物提取物对蛋鸡生产性能、肠道黏膜形态及盲肠菌群结构的影响[J]. 动物营养学报, 2021 , 33(4) : 2033 -2043 . DOI: 10.3969/j.issn.1006-267x.2021.04.023

Abstract

The purpose of this experiment was conducted to study the effects of adding compound plant extracts with different levels to the diet on the performance, intestinal mucosal morphology and cecal microflora structure of laying hens. A total of 960 healthy Hy-Line gray hens at the age of 42 weeks with similar body weight and laying rate were selected and randomly divided into 4 groups with 5 replicates in each group and 48 chickens in each replicate. Laying hens in control group were fed a basal diet, and those in test groups Ⅰ, Ⅱ and Ⅲ were fed experimental diets which supplemented with 150, 300 and 450 mg/kg of compound plant extracts into the basal diet, respectively. The pre-feeding period was 10 d and the formal period was 56 d. The results showed as follows:1) compared with the control group, diet supplemented with 300 and 450 mg/kg compound plant extracts significantly increased the laying rate of laying hens (P<0.05). 2) Compared with the control group, the crypt depth of jejunum and duodenum was significantly reduced (P<0.05), and the ratio of villi height to crypt depth of duodenum was significantly increased when the diet supplemented with 300 mg/kg compound plant extracts (P<0.05). 3) In the term of cecal microflora structure, at the phylum level, diet supplemented with 300 and 450 mg/kg compound plant extracts significantly increased the relative abundance of Bacteroidetes (P<0.05), and diet supplemented with 450 mg/kg compound plant extracts significantly decreased the relative abundance of Firmicutes compared with the control group (P<0.05); at the genus level, the relative abundance of Bacteroides in the group supplemented with 450 mg/kg compound plant extracts was significantly increased (P<0.05), and the relative abundance of Akkermansia had an increasing trend compared with the control group (P=0.063). In summary, under the condition of this experiment, adding 300 mg/kg compound plant extracts into the diet can increase the laying rate of laying hens, reduce the crypt depth of jejunum and duodenum, increase the ratio of villi height to crypt depth of duodenum, increase the relative abundance of Bacteroidetes in cecal microflora, and then improve the intestinal mucosal morphology and cecal microflora structure, and increase the performance of laying hens.

Key words： compound plant extracts; laying hens; intestinal mucosal morphology; cecal microflora

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