クロミウムピコリネートは,ブローラー鶏の熱ストレスによる乳腺筋肉のグルコースと脂質代謝の障害を軽減する
Miao Yu1, Xiumei Li1, Xin Zhao1
1State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
Poultry science
|August 30, 2025
まとめ
クロミウムピコリネート補給は熱ストレス下での brojler chickenの成長と代謝を改善しました. 乳腺の筋肉のグルコースと脂質の調節を強化し,副作用を軽減しました.
科学分野:
- 動物科学
- 栄養学的生化学
- 鶏の生理学
背景:
- 熱ストレスがニワトリの成長と代謝に悪影響を及ぼします
- クロミウムサプリメントは,グルコースと脂質ホメオスタシスを調節する可能性がある.
研究 の 目的:
- 慢性熱ストレスを経験している brojler chickensのグルコースと脂質代謝に対するクロムピコリネートの影響を調査する.
- 乳腺筋肉の成長性能と重要な代謝遺伝子発現への影響を評価する.
主な方法:
- 180 Arbor Acresの brojlerは,熱中性,熱ストレス,熱ストレス + クロミウムピコリネートグループに分けられました.
- 栄養補給には,制御された温度条件下で14日間400μg/kgの元素クロムが含まれていました.
- 成長能力,インスリン抵抗性,脂肪の蓄積,遺伝子発現を分析した.
主要な成果:
- 熱ストレスが成長を阻害し インスリン抵抗性を引き起こし 脂肪の蓄積を増加させた
- クロミウムピコリネートは,平均日食摂取量,平均日食増量,および飼料変換比率を改善しました.
- 主要なグルコース (GLUT1,PI3K,GS) と脂質 (PPARα,CPT-1,LPL) の代謝遺伝子は,クロムピコリネートによって上調された.
結論:
- クロミウムピコリネートは,肉鶏の骨格筋のグルコースと脂質代謝における熱ストレスによる障害を効果的に軽減します.
- 栄養補給は成長の性能と代謝遺伝子の発現を高め,熱ストレスの影響を軽減する潜在的戦略を提供します.
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