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Dynamic fermentation quality and bacterial community structure of paper mulberry silage from three regions of China

Chemical and biological technologies in agriculture, 2023-06, Vol.10 (1), p.51-12, Article 51 [Peer Reviewed Journal]

The Author(s) 2023 ;The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2196-5641 ;EISSN: 2196-5641 ;DOI: 10.1186/s40538-023-00414-7

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  • Title:
    Dynamic fermentation quality and bacterial community structure of paper mulberry silage from three regions of China
  • Author: Guo, Linna ; Wang, Yuan ; Wang, Xuekai ; Li, Xiaomei ; Xiong, Yi ; Lin, Yanli ; Ni, Kuikui ; Yang, Fuyu
  • Subjects: Agriculture ; Ammonia ; Bacteria ; Bacterial community ; Biomedical and Life Sciences ; Broussonetia ; Community structure ; Dry matter ; Enterobacter ; Enterobacter cloacae ; Fermentation ; Fermentation quality ; Growth hormone ; Lactic acid ; Lactobacilli ; Lactobacillus plantarum ; Life Sciences ; Nitrogen ; Organic Chemistry ; Paper mulberry ; pH effects ; Plant Biochemistry ; Plant Physiology ; Regions ; Silage ; Soil Science & Conservation
  • Is Part Of: Chemical and biological technologies in agriculture, 2023-06, Vol.10 (1), p.51-12, Article 51
  • Description: Background Paper mulberry has been regarded as a potential protein resource for relieving the forage supply crisis, and ensiling has become the most important method for preserving it. An in-depth analysis of the fermentation characteristics of paper mulberry silage could provide a theoretical basis for producing high-quality silage. In this study, we aimed to investigate the dynamic fermentation quality and bacterial community of paper mulberry silages harvested from different regions in China. Results The results showed an increased trend in ammonia nitrogen (NH 3 -N) concentration, despite a decrease in pH with prolonged ensiling days. Furthermore, fermentation patterns varied among paper mulberry silages from three regions. Paper mulberry from Zhuozhou, Hebei (HZ) showed the highest dry matter (DM) content and a slight decrease in pH during ensiling. While the lowest DM content was observed in Hechi, Guangxi (GH), which exhibited abnormal fermentation in the silage. In particular, silage from Lankao, Henan (HL) exhibited the best fermentation quality, with lower pH and NH 3 -N concentration, and higher lactic acid concentration than others ( P  < 0.05). The bacterial richness and evenness also declined with prolonged ensiling. Among all samples, Enterobacter was the most abundant in all silages, with a trend of increasing and then decreasing during the fermentation process. Pseudocitrobacter dominated in GH silage with abnormal fermentation. Although the bacteria community during ensiling varied widely among silages from different regions, Enterobacter cloacae and Lactobacillus plantarum were the main differential bacteria in silage quality of paper mulberry. Conclusion Ensiling days and regions had significant effects on the fermentation patterns and bacterial community of paper mulberry silage which might be due to the differences in DM content. Notably, silage quality showed a close relationship with Enterobacter cloacae and Lactobacillus plantarum . Inhibiting the proliferation of Enterobacter and Pseudocitrobacter could be critical for improving the fermentation quality of paper mulberry silage. Graphical Abstract
  • Publisher: Cham: Springer International Publishing
  • Language: English
  • Identifier: ISSN: 2196-5641
    EISSN: 2196-5641
    DOI: 10.1186/s40538-023-00414-7
  • Source: DOAJ Directory of Open Access Journals
    ROAD
    Springer OA刊
    ProQuest Central
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