Effects of feeding N-carbamylglutamate and post-transport rest on rumen microflora, blood and muscle metabolome in sheep

文献类型： 外文期刊

第一作者： Wang, Huifang

作者： Wang, Huifang;Wei, Xinyue;Liu, Shijia;Guo, Tianlong;Li, Gaoheng;Zhou, Zhongkai;Guo, Tianlong;Yu, Peng;Zhou, Zhongkai;Zhou, Zhongkai

作者机构：

关键词： NCG; Rumen microbiota; Plasma metabolism; Muscle metabolism; Mutton quality

期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）

ISSN： 0308-8146

年卷期： 2025 年 489 卷

页码：

收录情况： SCI

摘要： In modern livestock farming, the strategic application of amino acid supplements is essential for enhancing animal health and productivity. This study investigated whether N-carbamylglutamic acid (NCG) could mitigate pre-slaughter transportation stress in sheep and its effects on mutton quality. The administration of NCG prior to transport was found to improve sheep carcass characteristics, reduce cooking loss, and enhance meat quality. NCG supplementation and post-transport rest significantly impact the composition of the sheep rumen micro-biota and its functional profile. Analyses of plasma and muscle metabolomes revealed significant changes due to transportation, particularly with NCG supplementation. Notably, key compounds such as 16-Methylheptadeca-noylcarnitine, Octadec-6-enoylcarnitine, and Palmitoylcarnitine were identified as regulators of transportation stress. Additionally, amino acids such as Glycyl-tyrosyl-glycine and Tyrosyl-alanyl-glycine contributed to muscle protein synthesis, thereby assisting in stress mitigation and preserving muscle health. These findings support the role of NCG in enhancing mutton quality.

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