Figure 2:(a, b & c): Results of agarose (1.5%) gel electrophoresis of 164 bp of PCR-product for T. brucei (a), 519 bp of PCR-product for A. marginale together with A.centrale (b), and 160 bp of PCR-product for A. marginale only (c). Lane M, DNA molecular size marker (Qiagen, Germany).