Gavage – food supplementation for stalled weight gain in mice

In mice, specifically in Ndufs2fl/fl mice, weight gain usually stops above 70 days post injecton with the TH-Cre AAV into SNc. From that point, food supplements should be provided once daily via a gavage of 0.4-0.5 mL Ensure (Ensure original; 9gr protein,220 calories and we use Plastic feeding Tubes 22gax25mm FTP-22-25n from INSTECH mfg 2021-08-17; www.instechlabs.com) as long as mice keep gaining weight. When the second stop of weight gain happens, another daily gavage and 1 mL of subcutaneous saline should be added as necessary care.