Metabolomic profiling of rectal microorganisms in Tibetan sheep across cold and warm seasons - An, Qi-Tala; Zhao, Zhipeng; Ren, Yaxiong; Liu, Xia; Yao, Liangwei; Chen, Siyuan; Yuan, Zhikuan; Feng, Peijian; Li, Wenhao; Du, Xiaohua (Frontiers in Veterinary Science, 2025)