Microbial community diversitiers of grazing sheep
16SV3-V4338F (5-ACTCCTACGGGAGGCAGCA-3) and 806R (5-GGACTACHVGGGTWTCTAAT-3) \ ITS, ITS1F (5-CTTGGTCATTTAGAGGAAGTAA-3) and ITS2R (5-GCTGCGTTCTTCATCGATGC-18)