190603_M06348__y1808-03__rbcL
DNA was extracted from fecal samples using Dneasy Plant mini kit (QIAGEN, Hilden, German)
PCR product was purified using AMPure XP (Beckman Coulter Inc., Pasadena, California, U.S.A). Then, all the samples were diluted to the same concentration and mixed. The mixed samples were purified again by AMPure and quantified by real-time PCR; samples were prepared according to Illumina's protocol.