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- Title
Antimicrobial Resistance of Actinobacillus pleuropneumoniae , Streptococcus suis , and Pasteurella multocida Isolated from Romanian Swine Farms.
- Authors
Siteavu, Madalina Iulia; Drugea, Roxana Ionela; Pitoiu, Elena; Ciobotaru-Pirvu, Emilia
- Abstract
Antimicrobial resistance is an important health issue in human and veterinary medicine. The aim of this study was to monitor the antimicrobial resistance of three of the most important bacteria involved in porcine respiratory disease. A total of 465 isolates were tested during the 2017–2022 period for antimicrobial susceptibility for Actinobacillus pleuropneumoniae (n = 137), Streptococcus suis (n = 207), and Pasteurella multocida (n = 121) by disk diffusion method. The results were interpreted by CLSI breakpoints, where available. High rates of susceptibility (from 90 to >99%) were observed for cefquinome, ceftiofur, amoxicillin + clavulanic acid, amoxicillin, penicillin, ampicillin, florfenicol, enrofloxacin, marbofloxacin, and trimethoprim–sulfamethoxazole. A. pleuropneumoniae isolates showed high resistance to streptomycin (77%), gentamycin (45%), tilmicosin (39%) erythromycin (33%), oxytetracycline (19%), and tetracycline (18%). For S. suis, the highest rates of resistance were observed for streptomycin (98%), tetracycline (75%), oxytetracycline (72%), doxycycline (52%), and erythromycin (51%). P. multocida presented a high rate of resistance for streptomycin (63%), tilmicosin (29%), oxytetracycline (13%), and tetracycline (14%). Bacteria isolates maintained high susceptibility against antimicrobial agents usually used against the mainly respiratory tract pathogens of swine. Resistance for streptomycin, tetracycline, oxytetracycline, and tilmicosin was high for all the tested pathogens
- Subjects
ACTINOBACILLUS pleuropneumoniae; STREPTOCOCCUS suis; DRUG resistance in microorganisms; SWINE farms; ANTI-infective agents; PASTEURELLA multocida; ACTINOBACILLUS
- Publication
Microorganisms, 2023, Vol 11, Issue 10, p2410
- ISSN
2076-2607
- Publication type
Article
- DOI
10.3390/microorganisms11102410