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Sodium humate alters the intestinal microbiome, short-chain fatty acids, eggshell ultrastructure, and egg performance of old laying hens

文献类型： 外文期刊

作者： Li, Chenqinyao 1 ; Li, Xue 1 ; Li, Piwu 1 ; Wei, Bin 2 ; Zhang, Cong 2 ; Zhu, Xiaoling 3 ; Zhang, Jie 1 ;

作者机构： 1.Qilu Univ Technol, Shandong Acad Sci, Sch Bioengn, State Key Lab Biobased Mat & Green Papermaking, Jinan, Peoples R China

2.Shandong Asia Pacific Haihua Biotechnol Co Ltd, Jinan, Peoples R China

3.Shandong Acad Agr Sci, Jinan, Peoples R China

关键词： sodium humate; intestinal microbiome; SCFAs; trace element; older hens; egg quality

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：3.471； 五年影响因子：3.821 ）

ISSN：

年卷期： 2022 年 9 卷

页码：

收录情况： SCI

摘要： This study investigated the effect of sodium humate supplementation on changes in the intestinal microbiome, intestinal short-chain fatty acids production, and trace element absorption in older laying hens, with consequent effects on egg performance and shell quality. We used the same hens as their own control; a total of 720 laying hens aged 422 days were randomly divided into three replicates, with the CON group fed a commercial diet at 422-441 days of age and the HANa group fed a commercial diet supplemented with 0.05% sodium humate at 442-461 days of age. Compared with the CON group, in the HANa group, Bacteroidetes and Actinobacteria were significantly increased, whereas, Firmicutes was significantly decreased. Further, Veillonella, Enterococcus, Lactobacillus, and Turricibacter significantly decreased, and Peptoniphilus, Helcococcus, GW-34, Psychrobacter, Anaerococcus, Corynebacterium, Facklamia, Trichococcus, Gallicola, Clostridium, and Oscillospira were significantly increased. The results showed that sodium humate significantly altered the alpha and beta diversity and changed the structure of the intestinal microbiome. Acetic acid, isovaleric acid, and isobutyric acid, among short-chain fatty acids were significantly increased in the HANa group, whereas trace elements such as Mn, Zn, and Fe were significantly reduced. The eggshell strength and ultrastructure were significantly altered. In this study, sodium humate was found to alter the intestinal microbiome structure of aged hens, change the production of short-chain fatty acids, and promote the absorption of trace elements to keep aged hens from experiencing a decrease in egg production performance.

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