Fig. 4

tet(A) gene detected using simplex PCR (M marker (Thermo Scientific, SM0241, 100 bp DNA Ladder), P positive control, N negative control, 1–10 positive isolates)
tet(A) gene detected using simplex PCR (M marker (Thermo Scientific, SM0241, 100 bp DNA Ladder), P positive control, N negative control, 1–10 positive isolates)