Prevalence of Antiviotic-Resistant Strains among Macteria Isolated from Bovine Mastitis, Swine Diarrhea, and Swine Pneumonia
2000
Park J.P | Ryu S.Y(Seoul National University, Suwon, Korea Republic)
Microorganisms causing bovine mastitis, swine diarrhea and swine pneumonia were isolated from farms in Chungbuk and Kynunggi Province and the isolates were identified using microbial identification system (MIS). The most common isolates from bovine mastitis were Staphylococcus sp., Streptococcus sp., and Corynebacterium sp., those from swine diarrhea were Escherichia coli, Salmonella sp., and Clostridium perfringens, those from swine pneumonia were Bordetella bronchiseptica and Pasteurella multocida. Examination of 16 antibiotics against these pathogens revealed that the incidence of antibiotic-resistant microorganisms were very high and that many of these isolates had multiple resistance to various commercially available antibiotics such as penicillin, ampicillin, erythromycin, streptomycin, norfloxacin, and tetracyclin.
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