文献类型： 外文期刊
作者： Wang, Jingge 1 ; Zheng, Zibin 1 ; Yang, Hua 1 ; Chen, Jie 5 ; Xiao, Yingping 1 ; Ji, Xiaofeng 1 ; Zhang, Zhenming 3 ; He, Hailian 3 ; Ding, Baoan 3 ; Tang, Biao 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Hangzhou 310021, Peoples R China
3.Qinghai Univ, Coll Agr & Anim Husb, Xining 810016, Peoples R China
4.Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan 430023, Peoples R China
5.Zhejiang Prov Ctr Anim Dis Prevent & Control, Hangzhou 310020, Peoples R China
关键词： beta-1,3/1,6-glucan; Yellow-feathered broilers; Gut microbiota; 16S rRNA
期刊名称：AMB EXPRESS （ 影响因子：3.7； 五年影响因子：4.0 ）
ISSN： 2191-0855
年卷期： 2022 年 12 卷 1 期
页码：
收录情况： SCI
摘要： beta-1,3/1,6-glucan as a prebiotic improves immune performance in animals. These functions are closely related to the effect of beta-1,3/1,6-glucan on gut microbiota structure. However, the effect of beta-1,3/1,6-glucan on the gut microbiota structure of broilers is unclear. The aim of this study was to confirm the effects of beta-1,3/1,6-glucan on the cecal microflora structure of yellow-feathered broilers. This study monitored the antimicrobial resistance (AMR) level of Escherichia coil in feces of yellow-feathered broilers by standard broth dilution method and mastered the AMR level of chickens selected. The effects of beta-1,3/1,6-glucan on gut microbiota were investigated by 16S rRNA sequencing. The results showed that the number of isolated multidrug-resistant E. coil strains accounted for 98.41%. At 14, 21, and 28 days of age, supplemented of 0.2%, 0.1%, and 0.1% beta-1,3/1,6-glucan in yellow-feathered broiler diets significantly altered gut microbial composition, and beneficial bacteria Alistipes, Bacteroides and Faecalibacterium were significantly increased. These findings provide guidance and recommendations for beta-1,3/1,6-glucan as a broiler feed additive to improve the growth of broilers.
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