禽营养与饲料 POULTRY NUTRITION AND FEED

枯草芽孢杆菌对产蛋后期蛋鸡生产性能、蛋品质、肠道形态结构及盲肠微生物的影响

  • 马文锋 ,
  • 廖家辉 ,
  • 陈晓晨 ,
  • 王占彬 ,
  • 吴秋珏 ,
  • 焦国宝 ,
  • 陈晓宇
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  • 1. 河南科技大学动物科技学院, 洛阳 471023;
    2. 河南新仰韶生物科技有限公司, 三门峡 472400
马文锋(1987-),男,河南平顶山人,讲师,博士,从事动物营养与饲料科学研究。E-mail:a113boy@163.com

收稿日期: 2021-01-31

  网络出版日期: 2021-09-18

基金资助

国家重点研发计划专项(2018YFD0500600);河南省科技厅产学研合作项目(2018CX1012)

Effects of Bacillus subtilis on Performance, Egg Quality, Intestinal Morphology and Cecal Microbiota of Laying Hens during Late Laying Stage

  • MA Wenfeng ,
  • LIAO Jiahui ,
  • CHEN Xiaochen ,
  • WANG Zhanbin ,
  • WU Qiujue ,
  • JIAO Guobao ,
  • CHEN Xiaoyu
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  • 1. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China;
    2. Henan Xinyangshao Biochemical Technology Co., Ltd., Sanmenxia 472400, China

Received date: 2021-01-31

  Online published: 2021-09-18

Supported by

 

摘要

本试验旨在研究枯草芽孢杆菌对产蛋后期蛋鸡生产性能、蛋品质、肠道形态结构及盲肠微生物的影响。选取产蛋率相近的60周龄海兰褐蛋鸡240只,随机分为2组,每组8个重复,每个重复15只鸡。对照组饲喂基础饲粮,试验组在基础饲粮中添加0.03%的枯草芽孢杆菌(2×106 CFU/g)。预试期10 d,正试期60 d。结果表明:1)2组之间产蛋率、平均日产蛋重、料蛋比和平均日采食量均无显著差异(P>0.05)。2)与对照组相比,试验组蛋白高度和哈氏单位显著提高(P<0.05)。3)与对照组相比,试验组空肠和回肠的绒毛高度显著提高(P<0.05)。4)与对照组相比,试验组盲肠软壁菌门(Tenericutes)和迷踪菌门(Elusimicrobia)的相对丰度显著降低(P<0.05),盲肠乳酸杆菌属(Lactobacillus)的相对丰度显著降低(P<0.05)。综上所述,饲粮添加0.03%的枯草芽孢杆菌可以改善产蛋后期蛋鸡肠道形态结构和蛋品质,影响盲肠微生物的组成,但对生产性能无显著影响。

本文引用格式

马文锋 , 廖家辉 , 陈晓晨 , 王占彬 , 吴秋珏 , 焦国宝 , 陈晓宇 . 枯草芽孢杆菌对产蛋后期蛋鸡生产性能、蛋品质、肠道形态结构及盲肠微生物的影响[J]. 动物营养学报, 2021 , 33(9) : 4958 -4965 . DOI: 10.3969/j.issn.1006-267x.2021.09.016

Abstract

This experiment was conducted to study the effects of Bacillus subtilis on performance, egg quality, intestinal morphology and cecal microbiota of laying hens during late laying stage. A total of 240 Hy-Line brown laying hens aged at 60 weeks were randomly divided into 2 groups with 8 replicates per group and 15 hens per replicate. Laying hens in the control group were fed a basal diet, and others in the experimental group were fed the basal diet supplemented with 0.03% Bacillus subtilis (2×106 CFU/g). The preliminary period lasted for 10 days and the experiment lasted for 60 days. The results showed as follows:1) there were no significant differences in the laying rate, average daily egg weight, feed to gain ratio and average daily feed intake between 2 groups (P>0.05). 2) Compared with the control group, the albumen height and Haugh unit of the experimental group were significantly increased (P<0.05). 3) Compared with the control group, the villus height in jejunum and ileum of the experimental group was significantly increased (P<0.05). 4) Compared with the control group, the relative abundances of Tenericutes and Elusimicrobia in cecum of the experimental group were significantly decreased (P<0.05), and the relative abundance of Lactobacillus in cecum was significantly decreased (P<0.05). In conclusion, the supplementation of 0.03% Bacillus subtilis in diet can improve intestinal morphology and egg quality of laying hens during late laying stage, affect the cecal microbiota composition, but has no significant effect on performance.

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