AI Article Synopsis
- - The study investigated Salmonella serovars and antimicrobial resistance in 192 broiler flocks from Kagoshima, Japan, between 2013 and 2016, identifying three serovars: Salmonella Manhattan, S. Infantis, and S. Schwarzengrund.
- - S. Schwarzengrund has become the dominant serovar with increasing prevalence, while most isolates showed high resistance to drugs like streptomycin and sulfamethoxazole.
- - The research noted a decrease in third-generation cephalosporin resistance, but an uptick in kanamycin resistance, mainly due to the rise of S. Schwarzengrund, with the aphA1 gene being the most common resistance gene found
Article Abstract
This study aimed to analyze the Salmonella serovars, measure the minimum inhibitory concentration of antimicrobials, and examine the antimicrobial resistance genes of Salmonella isolated from 192 broiler flocks in Kagoshima Prefecture in Japan, from 2013 to 2016. We found that all Salmonella isolates belonged to three serovars: Salmonella Manhattan, S. Infantis, and S. Schwarzengrund. Among them, S. Schwarzengrund prevalence has recently increased annually making the main serovar. Most recovered isolates were highly resistant to streptomycin, sulfamethoxazole, and oxytetracycline. We saw the reduction of third-generation cephalosporin resistance and identified the reason of increased kanamycin resistance to be the increased number of S. Schwazengrund isolates. Among the kanamycin-resistant Salmonella isolates, aphA1 constituted the main resistance gene detected.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7273603 | PMC |
| http://dx.doi.org/10.1292/jvms.20-0096 | DOI Listing |
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