Fig. 2From: Molecular prevalence of trypanosome infections in cattle and tsetse flies in the Maasai Steppe, northern TanzaniaA gel picture of trypanosomes amplified using nPCR. Lane L: a 100 base pair (bp) DNA ladder; Lanes TC and TV: positive controls for T. congolense and T. vivax, respectively; Lane -V: negative control; Lanes 1–5: cattle DNA samples. Lane 1 shows a weak T. brucei-positive sample, Lanes 2 and 5 are T. vivax-positive samples and Lanes 3 and 4 are negative samplesBack to article page