Analysis of Campylobacter spp. contamination and drug resistance in poultry sold in Jiading Districtï¼ Shanghai from 2019 to 2021
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 2
Abstract
ObjectiveTo investigate the contamination status and drug resistance of Campylobacter spp. in poultry sold in Jiading Districtï¼ Shanghai.MethodsFour types of poultry meats ï¼chickensï¼ ducksï¼ geese and pigeonsï¼ were sampled from commercial marketsï¼ and potential Campylobacter spp. contamination was isolated and identified. Furthermoreï¼ resistance of isolated Campylobacter spp. to 15 commonly used antibiotics was tested.ResultsTotally 29 Campylobacter jejuni strains and 34 Campylobacter. coli were isolated from 236 commercial poultry samples. The most severe contamination of Campylobacter spp. was found in chicken samplesï¼ with a detection rate of 34.04%ï¼ while the lowest detection rate of Campylobacter spp. was found in duck ï¼19.67%ï¼. Contamination status was categorized with different storage conditions. The lowest detection rate of 6.67% was noted under frozen conditionï¼ while highest detection rate of 41.27% was noted under cold storage. Campylobacter jejuni was completely resistant to cefazolinï¼ ciprofloxacinï¼ nalidixic acid and tetracyclineï¼ and Campylobacter coli was completely resistant to cefazolinï¼ cefoxitin and nalidixic acidï¼ Campylobacter spp. showed the lowest resistance to imipenem. Multi-drug resistant strains accounted for 100.00% of the isolated strains. 96.83% of the strains were resistant to more than 5 drugsï¼ with the highest number reaching 14 kinds of antibiotics.ConclusionThere is a significant difference in the contamination status and drug resistance of Campylobacter spp. isolated from four types of poultry meats sold in Jiading Districtï¼ Shanghaiï¼ and the drug resistance is serious. It is strongly recommended that the use of antibiotics should be strictly controlled. Freezing can effectively reduce Campylobacter spp. pollution.
Authors and Affiliations
CHEN Peichao,HUANG Qiang,SUN Pan,DONG Yuting,PENG Qian,
Keywords
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