dietary DNA from wild fecal samples
The total DNA was extracted from fecal samples of Asian elephant using the DNeasy Plant Pro Kit (Qiagen, Germany), according to the manufacturers instructions. The concentration and purity of DNA were measured using a NanoDrop 2000 spectrophotometer (Thermo Fisher Scientific, America). Using the extracted DNA as a template, the pair primers rbcL2_F (5-YGATGGACTTACNAGTCTTGATCGTTACA