関連する実験動画
Updated: May 3, 2026

10:30
A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
Published on: May 16, 2015
20.3K
発酵牛乳の安全性について,新生児のブタの子の下痢を減らすためのフィードバック方法として
Jan Matiasovic1, Monika Zouharova1, Petra Strakova1
1Veterinary Research Institute, Brno, Czech Republic.
Veterinarni medicina
|February 16, 2026
まとめ
豚の発酵ミルクフィードバックは,小豚の排泄物を用いて,Clostridium perfringens.のような有害な細菌を無効化する. この伝統的な小豚の下痢予防法では,不活性化された細菌抗原を介して母猪の免疫力を高めます.
科学分野:
- 獣医の微生物学について
- 動物科学 動物科学
- 類の栄養について
背景:
- 新生児の小豚の下痢は,豚の生産に重大な脅威をもたらす.
- 制御された経口曝露,またはフィードバックは,小豚の腹を予防する伝統的な方法です.
- 特定のフィードバック方法としては,牛乳を下痢のブタの子の排泄物で発酵させる.
研究 の 目的:
- の飼育に用いられる排泄体インノキュラムと発酵牛乳の細菌成分を分析する.
- 妊娠している母牛に発酵牛乳を投与する安全性を評価する.
- 発酵乳の作用メカニズムを理解するために. フィードバック.
主な方法:
- 16S rRNA遺伝子配列を用いた微生物群の特徴化.
- 糞便サンプルと発酵牛乳における細菌群の比較.
- 発酵のpHが細菌の不活性化に与える影響の評価.
主要な成果:
- 発酵牛乳の核となる微生物群には,アセトバクター,ラクトバシルス,ラクトコックスが含まれていた.
- クロストリジウム・パーフリンゲンスは,発酵牛乳のサンプルのうち最大33%に存在していた.
- 発酵中のpH値の低下はC.perfringensを不活性化させ,牛乳を不活性化抗原で豊かにした.
結論:
- 発酵牛乳のフィードバックは,pH媒介による不活性化により,不活性化されたC.perfringens抗原を豊かにする.
- このプロセスは,発酵牛乳のフィードバックが,小豚の腹に対する保護効果に貢献します.
- フィードバックメカニズムのさらなる理解は,ブタ生産の健康戦略を改善することができます.
関連する概念動画
Methods for Controlling Microbial Growth
2.7K
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
2.7K
Microbes in Food Production
403
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
403
Microbes in the Production of Fermented Foods
327
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
327
Probiotics
296
Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
296
Production of Organic Acids
105
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...
105
Development of Human Microbiota
61
The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from...
61

