Effects of bacteriocin-producing Lactiplantibacillus plantarum on bacterial community and fermentation profile of whole-plant corn silage and its in vitro ruminal fermentation,microbiota,and CH4 emissions

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外文标题：Effects of bacteriocin-producing Lactiplantibacillus plantarum on bacterial community and fermentation profile of whole-plant corn silage and its in vitro ruminal fermentation,microbiota,and CH4 emissions

外文摘要：Background Silage is widely used to formulate dairy cattle rations,and the utilization of antibiotics and methane emissions are 2 major problems for a sustainable and environmentally beneficial ruminant production systems.Bacteriocin has received considerable attention because of its potential as an alternative to antibiotics in animal hus-bandry.However,the impact of bacteriocin-producing lactic acid bacteria on the microbiological conversion process of whole-plant corn silage and rumen fermentation remains limited.The purpose of this study was to assess the effect of 2 class Ila bacteriocin-producing strains Lactiplantibacillus plantarum ATCC14917 and CICC24194 on bacterial com-munity composition and ensiling profiles of whole-plant corn silage and its in vitro rumen fermentation,microbiota,and CH4 emissions.Results Both bacteriocin-producing strains increased the lactic acid concentration in silage fermented for 7 d,whereas the lowest lactic acid was observed in the ATCC14917 inoculated silage fermented for 90 d(P＜0.05).The highest DM content was observed in the CICC24194 treatment(P＜0.05),and the silages treated with both strains had the lowest DM loss(P＜0.05).Bacteriocin-producing strains promoted the growth of Levilactobacillus brevis on d 60 of ensiling.In addition,treatment with bacteriocin-producing strains increased the in vitro DM digestibility(P＜0.05)and decreased the CH4 production(P＜0.05).The results of random forest and clustering analyses at the genus level showed that ATCC14917 increased the relative abundance of the influential variable Bacillus compared to that in the control group,whereas CICC24194 decreased the relative abundance of the influential variable Ruminococcaceae UCG-005.The CICC24194 treatment had the lowest total bacterial,fungal,protozoan,and methanogen populations(P＜0.05).Conclusions Both class Ⅱa bacteriocin-producing L.plantarum strains improved the fermentation quality of whole-plant corn silage by regulating the bacterial community composition during ensiling,with CICC24194 being the most effective.Both bacteriocin-producing strains mitigated CH4 production and improved digestibility by modulating the interactions among rumen bacteria,protozoa,methanogens,and the composition of fibrolytic bacteria.

作者：

Ziqian Li、Samaila Usman、Jiayao Zhang、Yixin Zhang、Rina Su、Hu Chen、Qiang Li、Mengya Jia、Tunde Adegoke Amole、Xusheng Guo

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作者单位：

School of Life Sciences,Lanzhou University,Lanzhou 730000,P.R.China

Probiotics and Life Health Research Institute,Lanzhou University,Lan-zhou 730000,P.R.China

International Livestock Research Institute(ILRI),IITA Campus PMB,Oyo Road,Ibadan 5320,Nigeria

关键词：

Bacteriocin-producing Lactiplantibacillus plantarum Fermentation Methane emissions Microbiota Rumen Whole-plant corn silage

出版年：

2024

DOI：

10.1186/s40104-024-01065-w

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[1]	I. Fernandez,C. Martin,M. Champion,et al.Effect of Corn Hybrid and Chop Length of Whole-Plant Corn Silage on Digestion and Intake by Dairy Cows[J].Journal of dairy science,2004,87(5):p.1298-1309.
[2]	Wen Zhu,Zihai Wei,Ningning Xu,et al.Effects of Saccharomyces cerevisiae fermentation products on performance and rumen fermentation and microbiota in dairy cows fed a diet containing low quality forage[J].畜牧与生物技术杂志(英文版),2017,8(3):677-685.
[3]	Amauryábrego-Gacía,Héctor M.Poggi-Varaldo,Vania Robles-González,et al.Lovastatin as a supplement to mitigate rumen methanogenesis:an overview[J].畜牧与生物技术杂志(英文版),2022,13(2):353-364.
[4]	Dangdang Wang,Guangfu Tang,Yannan Wang,et al.Rumen bacterial cluster identification and its influence on rumen metabolites and growth performance of young goats[J].动物营养(英文),2023,15(4):34-44.
[5]	Junfei Guo,Zhengxiao Zhang,Le Luo Guan,et al.Postbiotics from Saccharomyces cerevisiae fermentation stabilize microbiota in rumen liquid digesta during grain-based subacute ruminal acidosis(SARA)in lactating dairy cows[J].畜牧与生物技术杂志(英文版),2024,15(5):2059-2080.

畜牧与生物技术杂志(英文版)

中国科学技术协会

畜牧与生物技术杂志(英文版)

CSTPCD

影响因子：0.765

ISSN：1674-9782

年,卷(期)：2024.15(6)

Ziqian Li,Samaila Usman,Jiayao Zhang,等.Effects of bacteriocin-producing Lactiplantibacillus plantarum on bacterial community and fermentation profile of whole-plant corn silage and its in vitro ruminal fermentation,microbiota,and CH4 emissions[J].畜牧与生物技术杂志(英文版),2024,15(6):2625-2638.DOI:10.1186/s40104-024-01065-w.