合成微生物群落的组装以发酵稻糠作为水产养殖饲料。

IF 2.3 4区 生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
International Microbiology Pub Date : 2025-10-01 Epub Date: 2025-02-28 DOI:10.1007/s10123-025-00651-w
Antonio de Oliveira Vieira, Juliano De Dea Lindner, Adriano Faria Palmieri, Caio Francisco Santana Farias, Scheila Anelise Pereira Dutra, Ivan De Marco, Marco Shizuo Owatari, Maurício Laterça Martins, José Luiz Pedreira Mouriño
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引用次数: 0

摘要

植物原料,如米糠(Oryza sativa;在水产养殖饲料中有希望替代鱼粉,提供了一种低成本的解决方案。然而,由于抗营养因子和消化率降低,直接使用RB受到限制。发酵是一种有效、经济、环保的技术,可以提高RB的营养品质,提高营养利用率和消化率,减少有害化合物。发酵RB提高了生长、饲料利用率、免疫能力和肠道健康,有助于实现更可持续的水产养殖。本研究旨在探讨合成微生物群落(SynCom)在固态发酵过程中对RB (RBMC)的影响。结果表明,发酵过程中发酵产物RB的理化成分、粗纤维和粗蛋白质含量发生了显著变化。与自然发酵的RB (RBNF)相比,乙醚提取物、矿物质、磷酸盐、磷和钾的含量显著降低。钠、钙、铁含量分别比对照提高43.3%、60.77%和74.58%。发酵后的RBMC中必需和非必需氨基酸含量显著增加。扫描电子显微镜显示了RB微观结构的变化,除了存在与用作接种物的个体形态相似的微生物聚集体之外。采用SynCom发酵RB,可显著提高RB副产饲料的质量。在水生生物的饲料配方中使用发酵的RB是可取的,因为它可以重复利用这种富含营养和生物价值的工业副产品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assembly of a synthetic microbial community to ferment rice (Oryza sativa) bran for aquaculture feedstuff.

Raw materials of plant origin, such as rice bran (Oryza sativa; RB), are promising alternatives to fishmeal in aquaculture feeds, offering a low-cost solution. However, due to antinutritional factors and reduced digestibility, direct use of RB is limited. Fermentation is an effective, cost-effective, and environmentally friendly technique that improves the nutritional quality of RB, enhancing nutrient availability and digestibility and reducing harmful compounds. Fermented RB improved growth, feed utilization, immune competence, and gut health, contributing to more sustainable aquaculture practices. The study aimed to evaluate the solid-state fermentation influence of a synthetic microbial community (SynCom) on RB (RBMC). The fermentation by the microbial consortium showed significant changes in RB physical-chemical composition and crude fiber and protein. Significant reductions were observed for ether extract, mineral matter, phosphate, phosphorus, and potassium compared with the naturally fermented RB (RBNF). Sodium, calcium, and iron contents increased by 43.03, 60.77, and 74.58%, respectively, compared to RBNF. A significant increase was observed in the fermented RBMC for essential and non-essential amino acids. Scanning electron microscopy revealed changes in the microstructure of the RB, in addition to the presence of microbial aggregates morphologically similar to the individuals used as inoculum. The RB fermentation using SynCom significantly improved the quality of the RB by-product feedstuff. The use of fermented RB in diet formulations for aquatic organisms is desirable because it enables the reuse of this industrial co-product, which is rich in nutrients and biological value.

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来源期刊
International Microbiology
International Microbiology 生物-生物工程与应用微生物
CiteScore
5.50
自引率
3.20%
发文量
67
审稿时长
3 months
期刊介绍: International Microbiology publishes information on basic and applied microbiology for a worldwide readership. The journal publishes articles and short reviews based on original research, articles about microbiologists and their work and questions related to the history and sociology of this science. Also offered are perspectives, opinion, book reviews and editorials. A distinguishing feature of International Microbiology is its broadening of the term microbiology to include eukaryotic microorganisms.
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