Electrophoresis of some PCR products targeting 18S rRNA gene of Fasciola;Lane (M): Ladder marker (100-1500 bp); Lanes (1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15): Positive samples; Lanes (3 and 4): Negative samples; Lane (N): Negative control.