Monitoring of antibiotic resistance in isolates of Actinobacillus pleuropneumoniaein the Czech Republic between 2001 and 2003

https://doi.org/10.17221/5613-VETMEDCitation:Nedbalcova K., Satran P., Jaglic Z., Ondriasova R., Kucerova Z. (2005): Monitoring of antibiotic resistance in isolates of Actinobacillus pleuropneumoniaein the Czech Republic between 2001 and 2003. Veterinarni Medicina, 50: 181-185.
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During the period of 2001 and 2003 a total of 238 isolates of Actinobacillus pleuropneumoniae obtained from 26 pig herds in the Czech Republic (2001 – 73 isolates, 2002 – 110 isolates, 2003 – 55 isolates) were examined for antibiotic resistance by disc diffusion method. Resistance to erythromycin (95.5% to 98.6%), streptomycin (76.4% to 82.7%) and tiamulin (72.7%) was detected most frequently over the whole monitored period. High increase in percentage of resistant isolates to tetracycline (2001 – 11.0%, 2002 – 36.4%, 2003 – 81.8%), doxycycline (2001 – 9.6%, 2002 – 34.6%, 2003 – 61.8%), nalidixic acid (2001 – 2.7%, 2002 – 14.5%, 2003 – 45.5%), and norfloxacin (2001 – 0%, 2002 – 7.3%, 2003 – 34.6%) was found, while differences in resistance to cephalotine (2001 – 1.4%, 2002 – 7.3%, 2003 – 9.1%), cotrimoxazol (2001 – 4.1%, 2002 – 10.0%, 2003 – 7.3%), amoxicillin (2001 – 12.3%, 2002 – 12.7%, 2003 – 10.9%) and amoxicillin-clavulanic acid (2001 – 9.6%, 2002 – 9.1%, 2003 – 10.9%) were small. Prevalence of isolates resistant to sulfasomidine was detected decreasing (2001 – 43.8%, 2002 – 47.3% and 2003 – 29.1%).
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