复合微生态制剂对犊牛生长性能、粪样微生物和血液指标的影响

doi:10.12160/j.issn.1672-5190.2019.04.006

畜牧与饲料科学 ›› 2019, Vol. 40 ›› Issue (4): 21-25.doi: 10.12160/j.issn.1672-5190.2019.04.006

复合微生态制剂对犊牛生长性能、粪样微生物和血液指标的影响

刘俊阳[1];高爱武[2];成立新[3];乔建敏[3];凤英[3];王志铭[3];于朝晖[3];王海荣[1]

[1]内蒙古农业大学动物科学学院,内蒙古呼和浩特010018;[2]内蒙古农业大学食品科学与工程学院,内蒙古呼和浩特010018;[3]内蒙古自治区农牧业科学院,内蒙古呼和浩特010031

收稿日期:2019-03-13 出版日期:2019-04-30 发布日期:2019-08-19
通讯作者: 刘俊阳-内蒙古农业大学动物科学学院,内蒙古呼和浩特010018
作者简介:刘俊阳(1992—),男,硕士研究生,主要研究方向为动物营养与饲料;通讯作者:王海荣(1973-),女,教授,博士,主要研究方向为反刍动物营养。
基金资助:
内蒙古自治区科技计划项目(201602057,201702091,201702110)。

Effects of Dietary Supplementation of a Compound Micro-ecological Preparation on Growth Performance,Number of Fecal Microbes and Serum Indexes of Calves

LIU Jun-yang[1];GAO Ai-wu[2];CHENG Li-xin[3];QIAO Jian-min[3];Fengying[3];WANG Zhi-ming[3];YU Zhao-hui[3];WANG Hai-rong[1]

[1]College of Animal Sciences,Inner Mongolia Agricultural University,Hohhot 010018,China;[2]College of Food Science and Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China;[3]Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China

Received:2019-03-13 Online:2019-04-30 Published:2019-08-19

摘要/Abstract

摘要： 旨在研究复合微生态制剂对犊牛生长性能、粪样微生物数量、腹泻率和血清指标的影响。选取3~5月龄犊牛20头,按性别、体重基本一致的原则将犊牛分为对照组和试验组,每组10头犊牛,对照组犊牛饲喂基础日粮,试验组犊牛基础日粮中添加含有酿酒酵母菌、枯草芽胞杆菌和乳酸菌的复合微生态制剂,饲喂试验共30d。记录犊牛在试验开始和结束时的体重,计算并比较2组犊牛在试验期间的总增重和平均日增重;分别收集犊牛在试验开始和结束时的粪便样本,检测并比较2组犊牛在饲喂试验前后的粪样微生物数量;记录2组犊牛在试验期间的腹泻情况,计算并比较2组犊牛的腹泻率;试验结束时采集犊牛的血液样本,测定并比较2组犊牛的主要血液指标。结果表明,饲粮中添加复合微生态制剂对犊牛生长性能无显著影响(P>0.05);饲喂复合微生态制剂的犊牛粪样中乳酸菌的数量显著高于对照组(P<0.05),粪样乳酸菌数达到2.28×10^7CFU/g,试验组犊牛粪样中大肠菌群的数量显著低于对照组(P<0.05),且犊牛腹泻率也低于对照组;试验组犊牛的血清生化指标与对照组相比均无显著差异(P>0.05)。综上所述,饲粮中添加复合微生态制剂能有效改善犊牛肠道菌群并且降低犊牛的腹泻率。

关键词: 复合微生态制剂, 犊牛, 生长性能, 粪样微生物, 腹泻率

Abstract: The purpose of this study was to assess the effects of dietary supplementation of a compound micro-ecological preparation on growth performance,number of fecal microbes,diarrhea rate and serum indexes of calves.A total of 20 calves aged from 3 to 5 months were selected and divided into experimental group (n=10) and control group (n=10) according to their gender and body weight.The calves in the control group were fed with a basal diet,and those in the experimental group fed a basal diet supplemented with a compound micro-ecological preparation containing Saccharomyces cerevisiae,Bacillus subtilis and lactic acid bacteria.The feeding experiment lasted for 30 days.The calves were weighted at the beginning and end of the experiment,and the total weight gain and average daily weight gain during the experiment of the two groups were calculated and statistically compared.The fecal samples of the calves at the beginning and end of the experiment were collected,and the number of fecal microbes of the two groups before and after the experiment were counted and statistically assessed.The diarrhea incidence of the calves in the two separate groups was recorded and compared.At the end of the experiment,the blood samples of the calves were collected,and the main blood indexes of the two groups were determined and compared.The results showed that the dietary supplementation of compound micro-ecological preparation had no significant impact on growth performance of calves (P>0.05);the calves fed the basal diet added with compound micro-ecological preparation had significantly higher number of fecal lactic acid bacteria and significantly lower number of fecal coliform bacteria compared to the control group (P<0.05),with the number of fecal lactic acid bacteria reaching up to 2.28×10^7 CFU/g;the lower diarrhea rate was observed in the calves of experimental group;there were no significant differences in serum biochemical indexes between experimental group and control group (P>0.05).In conclusion,dietary supplementation of compound micro-ecological preparation can effectively improve the intestinal micro-ecology environment and reduce the diarrhea rate of calves.

中图分类号:

刘俊阳, 高爱武, 成立新, 乔建敏, 凤英, 王志铭, 于朝晖, 王海荣. 复合微生态制剂对犊牛生长性能、粪样微生物和血液指标的影响[J]. 畜牧与饲料科学, 2019, 40(4): 21-25.

LIU Jun-yang, GAO Ai-wu, CHENG Li-xin, QIAO Jian-min, Fengying, WANG Zhi-ming, YU Zhao-hui, WANG Hai-rong. Effects of Dietary Supplementation of a Compound Micro-ecological Preparation on Growth Performance,Number of Fecal Microbes and Serum Indexes of Calves[J]. Animal Husbandry and Feed Science, 2019, 40(4): 21-25.

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复合微生态制剂对犊牛生长性能、粪样微生物和血液指标的影响

Effects of Dietary Supplementation of a Compound Micro-ecological Preparation on Growth Performance,Number of Fecal Microbes and Serum Indexes of Calves

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