PreprintCited by 1Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyGut microbiota and health

Mining novel specific rumen bacteria to enhance the bioactive function of mulberry leaf in promoting host antioxidant activity and immunomodulatory

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Wang, Bing, Luo, Hailing·2020

Abstract

Abstract Background: Rumen is a natural fermentation system and the microorganisms inside can effectively utilize plant bioresource and interact with host metabolism. Here, analysis of rumen microbiome, together with animal performance and serum metabolism in a lamb model were performed to identify the potential use of mulberry leaf silage (MS) to replace alfalfa silage (AS) as a new functional feed resource and to mining the novel specific mulberry leaf associated rumen bacteria interact with host metabolism. Results: The lambs fed with MS diet showed improved antioxidant capacity and immune function compared to those fed AS diet. The MS diet significantly altered rumen microbiota α- and β-diversity and taxonomic composition. Microbial analysis revealed that Bifidobacterium, Lactobacillus and Schwartzia were enhanced, and Ruminococcaceae UCG-010 and Lachnospiraceae_XPB1014_group were down-regulated in the rumen of MS group. A strong association was also found between these rumen microbial taxa and host antioxidant capacity and immunomodulatory. Conclusion: These findings indicated that mulberry leaf silage can be a high-quality feed source or bioactive pharmaceutical that is responsible for ruminants health benefits by modifying the rumen microbial community with potentially enhanced probiotics and inhibited biohydrogenation and methane emission.

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Authors
Wang, B., & Luo, H.
Affiliations
China Agricultural University (CN)
Corresponding author
Wang, Bing
Published
2020-06-29
OpenAlex
W3113177348
Cited by
1
References
38
Citations by year
2020: 1
Type
posted content
Language
en
Open access
Funders
  • National Natural Science Foundation of China (31902181)
  • China Agricultural University
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
rumen microbiota, rumen bacteria, antioxidant activity, immunomodulation, lamb feeding, Bifidobacterium, Lactobacillus, Ruminococcaceae, Lachnospiraceae, probiotics, biohydrogenation, methane emissions, ruminant health, functional feed

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