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肉の質と繊維の特徴の比較シメント床と深層ゴミ床で飼育された豚

Min Yuan¹, Zhihao Cui¹, Yanan Sun¹

¹College of Animal Science &Technology, Nanjing Agricultural University, Nanjing, China.

Veterinary medicine and science

|August 30, 2025

まとめ

深い床 (DF) で飼育された豚は,セメント床 (CF) で飼育された豚と比較して,より高い赤みと滴水損失を含む肉の質が改善されています. また,DFは筋肉繊維の種類や代謝過程に影響を与え,豚肉の特性を高めます.

科学分野:

動物科学
肉科学
農業工学

背景:

豚肉の品質に対する消費者の懸念は高まっています.
豚飼料の床の種類が肉の質に与える影響はよくわかっていない.
豚肉の生産を最適化するにはこれらの影響を理解することが重要です

研究の目的:

シメント床 (CF) で飼育された豚の肉の質と筋肉繊維の特性を,深い床 (DF) で飼育された豚と比較する.
筋肉の代謝と遺伝子発現に床の種類が与える影響を調べる

主な方法:

2つの大規模な農場 (1つのDF,1つのCF) が選択されました.
体重110kgの豚 (n=6匹) を分析した.
ロンジシムス・ドルシ,プソアス・メジャー,四頭筋筋のサンプルを質,代謝指標,遺伝子発現のために分析した.

主要な成果:

深い床 (DF) の豚は,シメント床 (CF) の豚と比較して,肉の赤みがかなり高く,滴水損失を示しました.
DF豚はグルコース-6-フォスファート,乳酸,およびグリコリティックポテンシャルが低かったが,グリコゲンの濃度は高かった.
DFのブタはロングシマス・ドorsiの横断面積が増加し,MyHC-IIa,MyHC-IIx,MyHC- 1βの発現が高かったが,CFのブタはMyHC- IIbの発現が高かった.

結論:

豚の飼育は,赤さ,滴水損失,核酸含有量など,肉の品質に好影響を与える.
DFハウジングは代謝経路,酵素活性,筋肉繊維の組成,およびMyHC遺伝子発現を調節する.
この研究は,中国での肉の質を向上させるため,豚の生産システムを改善するための洞察を提供します.

キーワード:

繊維の特性地面肉の品質について豚

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