2.2. Prebiotic and Synbiotic Administration
The prebiotic and synbiotic supplements in the present experiment were obtained from Jinhua Galaxy Biotechnology Co., Ltd. (Zhejiang, China) (the batch number for the prebiotics was 2021012101, and the batch number for the synbiotics was 2021032304). The prebiotics and synbiotics (2 g per packet) were both in powder form. The PG group was administered prebiotic supplements, namely GOS, FOS, inulin, PDX, strawberry powder, and maltitol. In addition to the same ingredients as the PG group, the SG group also contains three probiotic strains, ≥8 × 10