Multi-omics reveals associations between feed efficiency, physiological traits and meat quality in slow-growing chickens.

IF 1.7 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

British Poultry Science Pub Date : 2026-10-01 Epub Date: 2026-03-13 DOI:10.1080/00071668.2026.2632914

Y Wang, C Hu, J Cai, L Lu, D Zhang, H Peng, W Luo

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Abstract

1. A total of 450 male chickens were individually housed and assessed for residual feed intake (RFI) and feed conversion ratio (FCR) over a 28 d feeding trial, with subsequent phenotypic measurements and breast muscle samples collected from selected high- and low-efficiency groups for metabolomic and lipidomic profiling.2. Residual FI had significant correlations with faecal volume, behavioural activity and head temperature, while FCR showed only a negative correlation with head temperature. Meat quality analysis revealed that residual FI correlated with breast muscle shear force, while FCR was associated with thigh muscle colour parameters.3. Multi-omics profiling of breast muscle showed distinct metabolite and lipid compositions between efficiency groups, and FCR was linked to triacylglycerol content and residual feed intake (RFI) to glycerophospholipid levels.4. This trial demonstrated that feed efficiency influences both physiological processes and meat quality, providing a basis for balanced breeding strategies in slow-growing poultry.

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多组学揭示了慢生长鸡的饲料效率、生理性状和肉质之间的关系。

1. 在28 d的饲养试验中，对450只雄性鸡进行单独饲养，评估剩余采食量（RFI）和饲料转化率（FCR），随后进行表型测量，并从选定的高效组和低效组收集胸肌样本进行代谢组学和脂质组学分析。剩余FI与粪便量、行为活动和头部温度呈显著相关，而FCR仅与头部温度呈负相关。肉质分析显示，剩余FI与乳房肌肉剪切力相关，而FCR与大腿肌肉颜色参数相关。乳房肌肉的多组学分析显示，不同效率组之间的代谢物和脂质组成不同，FCR与甘油三酯含量和剩余采食量（RFI）与甘油磷脂水平有关。本试验表明，饲料效率影响生理过程和肉品质，为缓慢生长家禽的平衡育种策略提供了基础。

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

British Poultry Science 农林科学-奶制品与动物科学

CiteScore

3.90

自引率

5.00%

发文量

审稿时长

4.5 months

期刊介绍： From its first volume in 1960, British Poultry Science has been a leading international journal for poultry scientists and advisers to the poultry industry throughout the world. Over 60% of the independently refereed papers published originate outside the UK. Most typically they report the results of biological studies with an experimental approach which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: anatomy, embryology, biochemistry, biophysics, physiology, reproduction and genetics, behaviour, microbiology, endocrinology, nutrition, environmental science, food science, feeding stuffs and feeding, management and housing welfare, breeding, hatching, poultry meat and egg yields and quality.Papers that adopt a modelling approach or describe the scientific background to new equipment or apparatus directly relevant to the industry are also published. The journal also features rapid publication of Short Communications. Summaries of papers presented at the Spring Meeting of the UK Branch of the WPSA are published in British Poultry Abstracts .