Research Article

Evaluation of Bacterial Load and Antibiotic Resistance Pattern of Staphylococcus aureus from Ready-to-Eat Raw Beef in Bahir Dar City, Ethiopia

Table 2

Multiple drug-resistance profile of S. aureus isolates from the raw beef sample in Bahir Dar city.

Number of antibiotics showing resistanceNumber and frequency (%) of resistant isolatesType of antibiotics

Three19 (34.54%)CAF + CLI + PEN
CEF + CAF + PEN
CEF + CLI + PEN (4)
CEF + ERY + PEN
CEF + ERY + TTC
CEF + GEN + PEN
CEF + PEN + TSX
CEF + PEN + TTC (5)
CLI + PEN + TSX
PEN + TTC + TSX (3)

Four20 (36.36)CAF + CEF + CLI + PEN
CAF + CEF + PEN + TTC (2)
CAF + CLI + PEN + TTC
CEF + CLI + ERY + TSX (2)
CEF + CLI + PEN + TSX
CEF + CLI + PEN + TTC (9)
CEF + PEN + TTC + TSX (2)
CLI + PEN + TTC + TSX
GEN + PEN + TTC + TSX

Five7 (12.73)CAF + CEF + CLI + PEN + TTC (3)
CEF + CLI + ERY + PEN + TTC
CEF + CLI + GEN + PEN + TTC (2)
CEF + GEN + PEN + TTC + TSX

CAF = chloramphenicol, CEF = cefoxitin, CLI = clindamycin, ERY = erythromycin, GEN = gentamycin, PEN = penicillin, TTC = tetracycline, TSX = trimethoprim-sulfamethoxazole.