Metagenomic analysis reveals a plant-ward dietary shift and gut microbiome restructuring of common carp in a rice–fish co-culture system - Qixuan Li; Shenying Wang; Zitong Xiong; Yetong Xu; Jiangwei Cao; Zihao Yu; Qigen Liu; Wenjing Hu; Jiamin Sun (Aquaculture, 2026)