Molecular regulatory mechanisms of dietary supplementation with Allium mongolicum Regel powder to improve muscle development and meat quality in Angus calves.

IF 2.4 2区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Animal Bioscience Pub Date : 2025-08-01 Epub Date: 2025-02-27 DOI:10.5713/ab.24.0809
Wangjing Liu, Chenxu Sun, Huixia Gao, Jianjian He, Aihuan Yu, Yaodi Xie, Haibo Yao, Jiang Hu, Zhaomin Lei
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引用次数: 0

Abstract

Objective: Supplementing animal feed with Allium mongolicum Regel powder (AMRP) additives can promote muscle production and improve meat quality. Here, we explored the effects of dietary AMRP supplementation on the performance, meat quality, and muscle transcriptome profile of Angus calves.

Methods: Twelve healthy female black Angus calves (average body weight = 280.4±15.74 kg, average age = 14±0.6 months) of the same genetic background were randomly assigned to two feed groups: control (CON; basal diet without any supplementation) and AMRP (basal diet supplemented with 20 g of AMRP per calf per day).

Results: In general, compared with the control group, dietary AMRP supplementation significantly increased the longissimus thoracis muscle area (p = 0.027) and pH24h (p = 0.027) but significantly reduced Warner-Bratzler shear force (p = 0.009) and cooking loss (p<0.001). Moreover, 1,284 differentially expressed genes (DEGs) were identified in AMRP-supplemented Angus calves. Pathway analysis revealed that the DEGs were involved in multiple pathways related to muscle development and fat deposition, such as the focal adhesion and MAPK pathways.

Conclusion: Dietary supplementation of AMRP improved muscle growth and development in Angus beef cattle. It also significantly modulated meat quality, possibly altering signaling pathways by influencing key gene expression. Our results provide novel insights into the development of the meat industry and indicate the mechanism through which AMRP regulates muscle development and improves meat quality at the molecular level.

饲粮中添加葱黄粉促进安格斯犊牛肌肉发育和肉质的分子调控机制。
目的:在饲料中添加葱黄粉添加剂可促进肌肉生成,改善肉质。本研究旨在探讨饲粮中添加AMRP对安格斯犊牛生产性能、肉质和肌肉转录组的影响。方法:选取12头遗传背景相同的健康雌性安格斯犊牛(平均体重= 280.4±15.74 kg,平均年龄= 14±0.6个月),随机分为2个饲料组:对照组(基础饲粮中不添加任何添加剂)和AMRP组(基础饲粮中每天添加20 g AMRP)。结果:总体而言,与对照组相比,饲粮中添加AMRP显著增加了胸最长肌面积(p=0.027)和pH24h (p=0.027),显著降低了Warner-Bratzler剪切力(p=0.009)和蒸煮损失(p)。饲粮中添加AMRP可以改善安格斯肉牛的肌肉生长发育,并显著调节肉质,这种调节可能通过影响关键基因的表达来影响信号通路。我们的研究结果为肉类工业的发展提供了新的见解,最重要的是,在分子水平上分析了AMRP调节肌肉发育和改善肉质的机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Animal Bioscience
Animal Bioscience AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
5.00
自引率
0.00%
发文量
223
审稿时长
3 months
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