Reduction in antimicrobial use and resistance to salmonella, campylobacter, and escherichia coli in broiler chickens, Canada, 2013–2019
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Date
2021-09
Publication Type
Review Article
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yes
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Abstract
Antimicrobial use contributes to the global rise of antimicrobial resistance (AMR). In 2014, the poultry industry in Canada initiated its Antimicrobial Use Reduction Strategy to mitigate AMR in the poultry sector. We monitored trends in antimicrobial use and AMR of foodborne bacteria (Salmonella, Escherichia coli, and Campylobacter) in broiler chickens during 2013 and 2019. We quantified the effect of antimicrobial use and management factors on AMR by using LASSO regression and generalized mixed-effect models. AMR in broiler chickens declined by 6%-38% after the decrease in prophylactic antimicrobial use. However, the withdrawal of individual compounds, such as cephalosporins and fluoroquinolones, prompted an increase in use of and resistance levels for other drug classes, such as aminoglycosides. Canada's experience with antimicrobial use reduction illustrates the potential for progressive transitions from conventional antimicrobial-dependent broiler production to more sustainable production with respect to antimicrobial use.
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published
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Journal / series
Volume
27 (9)
Pages / Article No.
2434 - 2444
Publisher
Centers for Disease Control and Prevention
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09673 - Van Boeckel, Thomas (ehemalig) / Van Boeckel, Thomas (former)
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Funding
181248 - Global Policies for Antimicrobial Resistance in Animals (SNF)
180179 - Piloting on-site interventions for reducing antimicrobial use in livestock farming in emerging economies (SNF)
180179 - Piloting on-site interventions for reducing antimicrobial use in livestock farming in emerging economies (SNF)