High leucine bioavailability improves beef quality by altering serum metabolism in beef cattle

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成果类型：

期刊论文

作者：

An, Jishan;Zhao, Xiangchao;Song, Yang;He, Huitian;Wang, Zuo;...

通讯作者：

Anwei Cheng<&wdkj&>Weijun Shen<&wdkj&>Fachun Wan

作者机构：

[Lan, Xinyi; Ge, Yu; He, Huitian; Shen, Weijun; Wan, Fachun; Song, Yang; Wang, Zuo; An, Jishan; Zhao, Xiangchao] College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China

[Lan, Xinyi; Ge, Yu; He, Huitian; Cheng, Anwei; Shen, Weijun; Song, Yang; Wang, Zuo; An, Jishan; Liu, Lei; Zhao, Xiangchao] Yuelushan Laboratory, Changsha 410128, China

[Liu, Lei] College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China

[Cheng, Anwei] College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China

[Wan, Fachun] Yuelushan Laboratory, Changsha 410128, China. Electronic address: wanfc@sina.com

通讯机构：

[Anwei Cheng] Y

[Weijun Shen; Fachun Wan] C

Yuelushan Laboratory, Changsha 410128, China<&wdkj&>College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China<&wdkj&>College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China<&wdkj&>Yuelushan Laboratory, Changsha 410128, China

语种：

英文

关键词：

Beef cattle;Bioavailability;Leucine;Meat quality;Serum metabolism

期刊：

Meat Science

ISSN：

0309-1740

年：

2025

卷：

220

页码：

109693

DOI：

10.1016/j.meatsci.2024.109693

基金类别：

CRediT authorship contribution statement Jishan An: Writing – original draft, Methodology, Investigation, Formal analysis. Xiangchao Zhao: Methodology, Investigation. Yang Song: Writing – review & editing. Huitian He: Writing – review & editing. Zuo Wang: Writing – review & editing, Conceptualization. Xinyi Lan: Writing – review & editing. Yu Ge: Writing – review & editing, Methodology, acquisition. Lei Liu: Writing – review & editing. Anwei Cheng: Writing – review & editing. Weijun Shen: Writing – review & editing,

机构署名：

本校为第一且通讯机构

院系归属：

动物科学技术学院

动物医学院

食品科学技术学院

摘要：

This study aimed to investigate the effect of dietary L-Leu supplementation on amino acid composition, serum metabolism, and meat quality characteristics in beef cattle. Twenty-four Angus cows of similar initial weight (575.5 ± 22.1 kg) were randomly assigned to two treatment groups with six replicate pens (two cattle per pen). The groups were fed a basal diet (CON) or a basal diet supplemented with 6.0 g/100 kg BW per day of L-Leu for 120 days pre-slaughter. Feeding L-Leu significantly increased average daily gain and decreased feed-to-weight...

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High leucine bioavailability improves beef quality by altering serum metabolism in beef cattle

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