The Journal of veterinary medical science · 2011
Antimicrobial susceptibility and PFGE genotyping of Haemophilus parasuis isolates from pigs in South China (2008-2010).
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Xu Chenggang, Zhang Jianmin, Zhao Zhanqin, Guo Lili, Zhang Bin, Feng Saixiang, Zhang Lingyun, Liao Ming
Аннотация
H. parasuis isolates (n=112) from pigs were tested for antimicrobial susceptibility against 23 antimicrobial agents by the disk diffusion method. All isolates were sensitive to Florfenico and most strains were sensitive to Cefotaxime (103/112; 92%), Ceftazidime (99/112; 88.4%), Chloramphenicol (90/112; 80.4%) and Gentamicin (85/112; 75.9%). High resistance levels to Nalidixic acid (84.8%), TMP (67.9%) and Trimethoprim+Sulfamethoxazole (58%) were observed. Genomic DNA extracted from 52 isolates resistant to at least seven antimicrobial agents was analyzed by PFGE and 46 distinct PFGE patterns identified. Diverse variation was observed between the drug-resistant H. parasuis isolates examined, suggesting that resistance traits were acquired independently by the respective isolates.