Fig. 2

Fecal samples were detected by the nest-PCR and PCR gel electrophoresis results of some samples. Lane 1–6: The result of second PCR run No. 17, 30, 45, 64, 86 and 98 DNA sample; N: PBS; P: positive DNA. M: 2000 bp DNA Marker (TaKaRa, Japan). The result showed No.17, 45, 64 and 86 samples were positive with a distinctly single band about 208 bp, No.30 and 98 samples were negative without any band