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Prevalence and antimicrobial resistance profile of bacterial pathogens isolated from poultry in Jiangxi Province, China from 2020 to 2022

文献类型： 外文期刊

作者： Tan, Mei-Fang 1 ; Li, Hai-Qin 1 ; Yang, Qun 2 ; Zhang, Fan-Fan 1 ; Tan, Jia 1 ; Zeng, Yan-Bing 1 ; Wei, Qi-Peng 1 ; Huang, Jiang-Nan 1 ; Wu, Cheng-Cheng 1 ; Li, Na 1 ; Kang, Zhao-Feng 1 ;

作者机构： 1.Jiangxi Acad Agr Sci Nanchang, Inst Anim Husb & Vet Sci, Nanchang 330200, Peoples R China

2.Jiangxi Acad Agr Sci, Inst Agr Engn, Nanchang 330200, Peoples R China

关键词： poultry; bacterial pathogen; antimicrobial resistance; avian pathogenic Escherichia coli; Jiangxi Province

期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）

ISSN： 0032-5791

年卷期： 2023 年 102 卷 8 期

页码：

收录情况： SCI

摘要： Poultry is one of the most commonly farmed species and the most widespread meat industries. However, numerous poultry flocks have been long threat-ened by pathogenic bacterial infections, especially antimi-crobial resistant pathogens. Here the prevalence and the antimicrobial resistance (AMR) profiles of bacterial pathogens isolated from poultry in Jiangxi Province, China were investigated. From 2020 to 2022, 283 tissue and liquid samples were collected from clinically diseased poultry, including duck, chicken, and goose, with an overall positive isolation rate of 62.90%. Among all the 219 bacterial isolates, 29 strains were gram-positive and 190 strains were gram-negative. Major bacteria species involved were avian pathogenic Escherichia coli (APEC; 57.53%; 126/219), followed by Salmonella spp. (11.87%, 26/219), Pasteurella multocida (6.39%, 14/219), and Staphylococcus spp. (1.22%, 11/219). Antimicrobial susceptibility testing showed the APEC isolates displayed considerably higher levels of AMR than the Salmonella and P. multocida isolates. The APEC isolates showed high resistance rate to amoxicillin (89.68%), ampicillin (89.68%), and florfenicol (83.33%), followed by strepto-mycin (75.40%), cefradine (65.87%), and enrofloxacin (64.29%). Multidrug-resistant isolates were observed in APEC (99.21%), Salmonella spp. (96.16%), and P. mul-tocida (85.71%), and nearly 3 quarters of the APEC strains were resistant to 7 or more categories of antimi-crobial drugs. Moreover, blaNDM genes associated with carbapenemase resistance and mcr-1 associated with coli-sitin resistance were detected in the APEC isolates. Our findings could provide evidence-based guidance for veteri-narians to prevent and control bacterial diseases, and be helpful for monitoring the emerging and development of AMR in poultry bacterial pathogens.

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