ArticleAnimal bioscience2022
An investigation on fermentative profile, microbial numbers, bacterial community diversity and their predicted metabolic characteristics of Sudangrass (Sorghum sudanense Stapf.) silages.
Article in Animal bioscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 12 citations in OpenAlex.
- New insight into the effects of integrated organic-inorganic fertilization on enhancing the rice straw productivity and silage quality.Animal bioscience · 2026Article
- Different combinations of lignocellulolytic enzymes and lactic acid bacteria affect the quality and aerobic stability of rain-soaked Sudan grass silage by regulating the silage microbial community.Microbiology spectrum · 2026Article
- Effects ofFrontiers in veterinary science · 2025Article
- Effects of different harvest frequencies on microbial community and metabolomic properties of annual ryegrass silage.Frontiers in microbiology · 2022Article
- Effect of exogenous microorganisms on the fermentation quality, nitrate degradation and bacterial community of sorghum-sudangrass silage.Frontiers in microbiology · 2022Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
objectiveThis study aimed to investigate the fermentation profiles, bacterial community and predicted metabolic characteristics of Sudangrass (Sorghum sudanense Stapf.) during ensiling.
methodsFirst-cutting Sudangrass was harvested at the vegetative stage and ensiled in laboratory-scale silos (1 L capacity). Triplicate silos were sampled after 1, 3, 7, 15, 30, and 60 days of ensiling, respectively. The bacterial communities on day 3 and 60 were assessed through high-throughput sequencing technology, and 16S rRNA-gene predicted functional profiles were analyzed according to the Kyoto encyclopedia of genes and genomes using Tax4Fun.
resultsThe Sudangrass silages showed good fermentation quality, indicated by higher lactic acid contents, and lower pH, butyric acid and ammonia nitrogen contents. The dominant genus Lactococcus on day 3 was replaced by Lactobacillus on day 60. The metabolism of amino acid, energy, cofactors and vitamins was restricted, and metabolism of nucleotide and carbohydrate was promoted after ensiling. The 1-phosphofructokinase and pyruvate kinase of bacterial community seemed to play important roles in stimulating the lactic acid fermentation, and the promotion of arginine deiminase could help lactic acid bacteria to tolerate the acidic environment.
conclusionHigh-throughput sequencing technology combined with 16S rRNA genepredicted functional analyses revealed the differences during the early and late stages of Sudangrass ensiling not only for distinct bacterial community but also for specific functional metabolites. The results could provide a comprehensive insight into bacterial community and metabolic characteristics to further improve the silage quality.
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