LINGGA PULUNG WIJANARKA, 061311133198 (2017) POLA SENSITIVITAS Staphylococcus aureus YANG DIISOLASI DARI SUSU SEGAR DARI BEBERAPA PETERNAKAN SAPI PERAH DI SURABAYA TERHADAP BEBERAPA ANTIBIOTIKA. Skripsi thesis, Universitas Airlangga.

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Abstract

The aim of this research was to show the profile of S. aureus bacteria isolated from fresh milk from some dairy farms in Surabaya against antibiotics oxacillin, penicillin, amphicillin, chloramphenicol, and gentamicin. The study used purposive sampling method. About 40 samples isolated on Mannitol Salt Agar media (MSA) from the result which identified as Staphylococcus sp was 25, then the positive result of 23 sample gram staining, the positive result of 23 sample catalase test, and then 14 (35%) showed the positive sample of S. aureus on coagulase test. Antibiotic disk used i.e oxacillin, penicillin, amphicillin, chloramphenicol, gentamicin by using Kirby Bauer method. Inhibiton diameter zone measured at millimeter to determined a sensitivity level of antibiotic. The result showed about 14 (100%) of samples was resistant to Antibiotic oxacillin type, 14 (100%) of samples was resistant to penicillin, 9 (64,2%) samples was resistant, and 5 (35,7%) of samples was sensitive to amphicillin, 14 (100%) of samples was sensitive to chloramphenicol, and 14 (100%) of samples was sensitive to gentamicin.

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