Abstract
In order to determine how widespread antibiotic resistance has become to standard treatments, the in vitro susceptibilities of 28 Mycoplasma agalactiae Spanish field isolates to 16 antimicrobial agents were determined using a broth microdilution method. The most effective antimicrobials based on minimum inhibitory concentration (MIC)(90) values were fluoroquinolones, tetracyclines and macrolides. Two strains were tetracycline resistant. Streptomycin, erythromycin and nalidixic acid resistance was observed in all strains.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Anti-Bacterial Agents / pharmacology*
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Dose-Response Relationship, Drug
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Drug Resistance, Bacterial
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Drug Resistance, Multiple, Bacterial
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Goat Diseases / drug therapy*
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Goat Diseases / microbiology
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Goats
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Microbial Sensitivity Tests / veterinary
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Mycoplasma Infections / drug therapy
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Mycoplasma Infections / microbiology
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Mycoplasma Infections / veterinary*
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Mycoplasma agalactiae / drug effects*
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Sheep
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Sheep Diseases / drug therapy*
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Sheep Diseases / microbiology