水産動物の飼料におけるフィトステロールの適用に関する新しい洞察: 成長と腸の健康を向上させる 大口 (Micropterus salmoides)
Yuxuan Ma1, Haisong Shi1, Zhongchao Pan2
1Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China.
まとめ
フィトステロール (PS) の補充は,大口の成長,抗酸化能力,腸の健康を改善しました. 0. 05%のPSは魚の機能と腸の整体性を向上させ,腸内微生物の組成を正に調節しました.
科学分野:
- 水産養殖 栄養
- 魚の生理学
- 腸内微生物群の研究
背景:
- 粉が多い食事は 魚の成長と健康に影響を及ぼします
- フィトステロール (PS) は,潜在的に健康に有益な植物由来化合物です.
- 栄養を最適化することは,大口の養殖に不可欠です.
研究 の 目的:
- フィトステロール (PS) が大口バースに与える影響を調査する.
- 成長,抗酸化状態,筋肉と腸の形態,腸内微生物群に対するPSの影響を評価する.
- 魚の健康とパフォーマンスを改善するために最適なPS補給量を決定する.
主な方法:
- 960匹の大口は8週間にわたって 粉とフィトステロールの濃度が異なる食事を与えられた.
- 成長パラメータ,抗酸化酵素活性,消化酵素活性が測定されました.
- 筋肉と腸の組織は,成長とアポトーシスに関連する形態的変化と遺伝子発現を分析した.
- 腸内微生物の組成は,シーケンシング技術を用いて評価された.
主要な成果:
- 0. 05%のPSサプリメントは,魚の成長と抗酸化能力を大幅に改善しました.
- PSはMDA濃度を下げ,消化酵素の活性を調節した.
- 腸の形状は 筋肉繊維の密度と折り畳み幅の増加によって改善されました
- 腸内微生物群を変化させ フィルミキュートを増やし プロテオバクテリアを減少させました
- 遺伝子発現分析は,筋肉の成長とアポトーシスの経路の調節を示した.
結論:
- 特に0.05%のフィトステロールは,高濃度の粉を摂取した大口の成長性能と筋肉の質を高めます.
- フィトステロールのサプリメントは 抗酸化能力と腸の整合性を高めます
- 腸内微生物の組成を正に調整し,有益な細菌を好む.
関連する概念動画
01:19Other Algae
588
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
588
01:26Microbial Bioremediation of Hydrocarbons
83
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
83
01:25Microbes in Beverage Production
251
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
251
01:25Production of Organic Acids
82
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
82
01:25Biofuels
92
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
92