Effect of epiphytic microflora after aerobic enrichment and reconstitution on fermentation quality and microbial community of corn stalk silage and Pennisetum sinese silage

Xie, Yixiao; Du, Ermei; Yao, Yudie; Wang, Wanqing; Huang, Xiaokang; Sun, Hong; Zheng, Yulong; Cheng, Qiming; Wang, Chunmei; Chen, Chao; Li, Ping

doi:10.3389/fmicb.2022.1078408

Cited by 4 publications

(2 citation statements)

References 35 publications

(44 reference statements)

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“…Moreover, excessive pollutant concentrations may also lead to stress and adaptive changes in microbial communities, which in turn affect microbial diversity. [14]…”

Section: Pollutant Concentrationmentioning

confidence: 99%

Analysis of the diversity of microbial communities in typical domestic sewage

2023

erej

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This review paper mainly introduces the relationship between domestic sewage treatment and microbial communities. First, the paper provides an overview of the source and composition of domestic sewage and the importance of microbial diversity in domestic sewage treatment. Then, the paper summarizes the current research status of microbial communities in typical domestic sewage. In the second part, the paper explores the factors affecting the microbial diversity in domestic sewage [i] . Then, in the third part, the paper describes the diversity of microbial communities in typical domestic sewage, respectively from the biological classification community composition and functional classification community composition. In the fourth part, the paper explores the ecological functions of microbial communities in domestic sewage. Finally, in the fifth part, the paper analyzes the influence of the traditional sewage treatment process and the new sewage treatment technology on the microbial community, and introduces the indicator role and assessment method of the microbial community. It provides an important reference for further research and optimization of domestic sewage treatment.

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“…Moreover, excessive pollutant concentrations may also lead to stress and adaptive changes in microbial communities, which in turn affect microbial diversity. [14]…”

Section: Pollutant Concentrationmentioning

confidence: 99%

Analysis of the diversity of microbial communities in typical domestic sewage

2023

erej

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“…In ruminant farming, crops that have the ability to adapt to a lack of water, high temperature and poor soils can be utilized as roughage resources under certain harsh conditions [3,4]. As a C 4 dicotyledonous crop, amaranth (Amaranthus hypochondriacus) can grow in regions with these severe environments.…”

Section: Introductionmentioning

confidence: 99%

Lactic Acid Bacteria and Cellulase Improve the Fermentation Characteristics, Aerobic Stability and Rumen Degradation of Mixed Silage Prepared with Amaranth and Rice Straw

Ma,

Fan,

et al. 2023

Fermentation

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The aim of this experiment is to investigate the effects of lactic acid bacteria and cellulase on the fermentation quality, chemical composition, aerobic stability and ruminal degradation characteristics of mixed silage prepared with amaranth and rice straw. Lactic acid bacteria and cellulase were used as silage additives, and the four treatments were as follows: control group (CON, no additive), lactic acid bacteria group (LAB, additive amount was 5 mg/kg fresh matter), cellulase group (CEL, 2 mg/kg) and lactic acid bacteria and cellulase group (LBC, additive amount was the same as in the individual treatments). All treatments were ensiled for 60 days. The dry-matter, crude-protein, neutral-detergent-fiber and acid-detergent-fiber ruminal degradability of silage were analyzed utilizing the nylon bag method. Compared with the CON group, the inoculation of lactic acid bacteria and cellulase individually promoted the fermentation of mixed silage to a certain degree. The combined inoculation of mixed silage significantly increased (p < 0.05) the concentrations of lactic acid and dry matter, while it reduced (p < 0.05) the pH and ammonia nitrogen/total nitrogen, harmful microorganism counts and contents of acetic acid, neutral detergent fiber and acid detergent fiber. In addition, the aerobic stability time of the LBC group was lower (p < 0.05) than that of the other groups. The ruminal degradation rate of dry matter, crude protein, neutral detergent fiber and acid detergent fiber in the LBC group was significantly increased (p < 0.05) compared to the CON group. Overall, the addition of the additives mentioned earlier improved the quality of mixed silage composed of amaranth and rice straw, and the best results were obtained by combining the inoculation of lactic acid bacteria and cellulase.

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Insight into the key limiting factors affecting anaerobic fermentation quality and bacterial community of sweet sorghum by irradiation sterilization and microbiota transplant

Zhao

Jing²,

Yin³

et al. 2023

Chem. Biol. Technol. Agric.

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Biomass microbiota and chemical constituent are closely associated with final anaerobic fermentation performance. But the limiting factors affecting anaerobic fermentation quality and bacterial community have been rarely explored. This study aimed to elucidate the relative contribution of initial microbiota and chemical constituent of sweet sorghum on its final anaerobic fermentation quality. Sweet sorghum at two developmental stages (heading-stage, G1; hard-dough-stage, G2) was treated as follows: G1 microbiota + sterilized G1 (M1C1), G2 microbiota + sterilized G1 (M2C1), G1 microbiota + sterilized G2 (M1C2), and G2 microbiota + sterilized G2 (M2C2). The results showed that chemical constituent rather than microbiota changes remarkably influenced the production of lactic acid, propionic acid and ammonia-N, the relative abundance of Lactobacillus, Weissella, Lactococcus, Pediococcus, and Pantoea of sweet sorghum after anaerobic fermentation. The chemical constituent was the key limiting factor affecting the anaerobic fermentation quality of sweet sorghum. This study could provide a reference for clarifying the key limiting factors affecting anaerobic fermentation and making recommendations for production. Graphical Abstract

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Effect of epiphytic microflora after aerobic enrichment and reconstitution on fermentation quality and microbial community of corn stalk silage and Pennisetum sinese silage

Cited by 4 publications

References 35 publications

Analysis of the diversity of microbial communities in typical domestic sewage

Analysis of the diversity of microbial communities in typical domestic sewage

Lactic Acid Bacteria and Cellulase Improve the Fermentation Characteristics, Aerobic Stability and Rumen Degradation of Mixed Silage Prepared with Amaranth and Rice Straw

Insight into the key limiting factors affecting anaerobic fermentation quality and bacterial community of sweet sorghum by irradiation sterilization and microbiota transplant

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