Gatdula, May M.

Antimicrobial susceptibility profile of enteric bacterial isolates from tilapia and bangus sold in wet markets / by May M. Gatdula. - Indang, Cavite : Cavite State University- Main Campus, 2010. - xiv, 74 pages : illustrations ; 28 cm.

Thesis (BS Biology) Cavite State University

Includes bibliographical references.

College of Arts and Science (CAS) College of Arts and Science (CAS)

GATDULA, MAY MOJICA. Antimicrobial Susceptibility Profile of Enteric Bacterial Isolates from Tilapia (Oreochromis niloticus) and Bangus (Chanos chanos) Sold in Wet Markets. Cavite State University, Indang, Cavite. Adviser: Dr. Yolanda A. Ilagan.

This study was conducted to assess the antimicrobial susceptibility profile of enteric bacteria from tilapia and bangus. Ninety (90) bacteria were isolated by dilution plating using Cetrimide Agar (CA), Brilliant Green Agar (BGA), Violet Red Bile Agar (VRBA) and Eosin Methylene Blue (EMB). These isolates were identified based on their morphological and physiological characteristics. Disk diffusion assay was utilized to test the susceptibility of these bacterial isolates to the following antibiotics: ampicillin, clindamycin, oxacillin, norfloxacin, lincomycin, nitrorurantion, fosfomycin, ciprofloxacin, nalidixic acid, erythromycin, rifampicin, tetracyline, oxytetracycline, streptomycin and chloramphenicol. All isolates were resistant to rifampicin; 91.11% to clindamycin; 56.67% to ampicillin; 41.11% to oxacilllin; and 22.22% to chloramphenicol.

One hundred percent (90) of the isolates were susceptible to fosfomycin; 96% to ciprofloxacin; 87.78% to streptomycin; 86.67% to oxytetracyline and 80% nalidixic acid. This implies that fosfomycin, ciprofloxacin, streptomycin, oxytetracyline and nalidixic acid could be used in treating diseases of tilapia and bangus,



Microbial sensitivity tests
Drug resistance in microorganisms.
Anti-Bacterial Agents

616.9041 / G22 2010