Exploring the effects of feeding methods on the growth and meat flavor of Wenchang chicken
文献类型： 外文期刊
作者： Xu, Tieshan 1 ; Jiang, Qicheng 1 ; Xu, Chaohua 2 ; Xiao, Zhepeng 1 ; Zheng, Xinli 1 ; Gu, Lihong 1 ;
作者机构： 1.Hainan Acad Agr Sci, Inst Anim Sci & Vet Med, Haikou 571199, Peoples R China
2.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China
关键词： Wenchang chicken; Rearing system; Growing performance; Meat quality
期刊名称：POULTRY SCIENCE （ 影响因子：4.2； 五年影响因子：4.5 ）
ISSN： 0032-5791
年卷期： 2025 年 104 卷 5 期
页码：
收录情况： SCI
摘要： Wenchang chicken, renowned for its high-quality meat, is the economic meat breed in Hainan Province, China. This study compared cage-rearing (CR) and free-range (FR) groups in terms of growth performance, slaughter performance, meat quality, IMP (inosine monophosphate) content, AAs, FAs, serum lipid metabolites, and transcriptomic and metabolomic analyses. The CR group showed increased body weight, live weight, and abdominal fat but lower leg muscle percentage and breast muscle redness, suggesting flavor differences. CR chickens had higher IMP, threonine (Thr), and pentadecanoic, oleic, and linoleic acids, while glutamate (Glu) and alpha-linolenic acid were lower compared to FR. Glycine was elevated, but histidine, myristic, and tricosanoic acids were lower in CR leg muscle. Serum analysis revealed higher total cholesterol (TC), triglycerides (TG), high-density lipoprotein (HDL), lipoprotein lipase (LPL), hormone-sensitive lipase (HSL), fatty acid synthase (FAS), thyroid-stimulating hormone (TSH), leptin (LEP), and adiponectin (ADP) in the CR group. Transcriptomic and metabolomic studies identified 252 differentially expressed genes and 34 metabolites linked to metabolic pathways. In summary, CR system can improve production performance, FR system is considered more flavorful. The results can act as a theoretical basis for selecting a suitable rearing method for this unique breed.
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