Pasture grazing system improves meat quality via restructuring geese microbiota community
2026
Qasim Ali | Umar Farooq | Sen Ma | Boshuai Liu | Defeng Li | Xiaoyan Zhu | Zhichang Wang | Hao Sun | Yalei Cui | Yinghua Shi
This study explored the growth performance, muscle metabolites, and cecal microbial enzymes related to differential metabolite deposition in Wanxi white geese. A total of 180 Wanxi white geese were randomly divided into two feeding groups, such as in-house feeding (IHF) and artificial pasture grazing group (AGF). Our study found that the AGF system increased the growth performance and nutritional composition of goose meat. Using untargeted GC-TOF-MS metabolomics, nonessential, flavor, sweet, and bitter amino acids (AAs) and LC-MS/MS metabolomics, myristic, stearic, γ-linolenic, and α-linolenic acids were increased in the AGF group compared to the IHF group. The 16S rRNA sequencing revealed the enrichment of beneficial bacteria in the AGF group compared to the IHF group. Using Tax4Fun databases, the three main KEGG pathways, including alanine, aspartate and glutamate metabolism; linoleic acid metabolism; and alpha-linolenic acid metabolism, were upregulated in the AGF group compared to the IHF group. The correlation analysis of gut microbial enzymes with differential metabolites targeting KEGG pathways reflects the crucial role of enzymes in AA and fatty acid (FA) deposition in geese meat. In conclusion, the AGF system increased the meat quality through restructuring gut microbiota, which could be a better option for healthier goose meat production.
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