フロリダ・ポンパノ (Trachinotus carolinus) の成長性能,血液化学,腸内細菌群 異なるレベルのトウモロコシ発酵タンパク質と酵母ダイエット
Trinh H V Ngo1, Marty Riche2, Timothy J Bruce1
1School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, Alabama, USA.
Aquaculture nutrition
|September 2, 2025
まとめ
コーン発酵タンパク質 (CFP) は,フロリダのポムパノの食事で大豆粉を代替することができます. この持続可能な成分は魚の成長と健康を促進し,養殖飼料の製造コストを削減します.
科学分野:
- 水産養殖 栄養
- 魚の飼料開発
- 持続可能な養殖の要素
背景:
- フロリダ・ポンパノ (Trachinotus carolinus) のための費用対効果の高い種別ダイエットを開発することは,持続可能な水産養殖に不可欠です.
- 以前の研究では,ポムパノの食事で動物性タンパク質を減らすために,溶媒で抽出された大豆粉 (SBM) を使用しました.
- コーン発酵タンパク質 (CFP) のような新しい低コストのタンパク質源を探求することは,さらなる経済的最適化に不可欠です.
研究 の 目的:
- フロリダ州ポムパノの幼虫の魚粉のない食事で,大豆粉 (SBM) をトウモロコシ発酵タンパク質 (CFP) に置き換える有効性を評価する.
- フロリダ・ポンパノの成長性能,飼料の利用,血液のパラメータ,腸内微生物群に対するCFPの影響を評価する.
- 魚介類の飼料の配合に最適なCFP含有量を決定する.
主な方法:
- フロリダ州ポムパノの幼生を魚粉なしの食事で育て,12週間の成長試験を実施した.
- 大豆の粉は徐々にトウモロコシ発酵タンパク質 (CFP) とSaccharomyces cerevisiae発酵製品 (FSC) と同じ量のタンパク質で置き換えられました.
- 食事はイソニトロゲン (40%タンパク質) とイソリピド (8%脂質) で,魚は再循環水産システム (RAS) で飼育された.
主要な成果:
- すべての実験ダイエットは,比較可能な最終体重,体重増加,および飼料変換比率をもたらし,有意な差異は観察されなかった (p > 0. 05).
- すべての治療群で健康状態が良好であった.
- 腸内微生物群の分析により,CFPの食事への含有によって影響を受けない安定した細菌の多様性と構成が明らかになった.
結論:
- コーン発酵タンパク質 (CFP) は,成長や健康を損なうことなく,フロリダのポムパノの実用的な食事に効果的に組み入れることができます.
- CFPをSaccharomyces cerevisiae発酵製品と併用することで,ポンパノの養殖のための持続可能で費用対効果の高いタンパク質の代替品となる.
- CFPが様々な水産物種に与える影響について,さらなる研究が進められるでしょう.
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