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December 10, 2025PathogensOpen Access

Prevalence of ESBL-Producing Escherichia coli on Neck Skin in Slaughtered Broilers Raised on Conventional, Antibiotic-Free, and Organic Farms

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Authors

GDGiulia DilioFBFrancesca BlasiSTSilvia Tofani

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Overview

Analysis reveals high antimicrobial resistance in conventional broilers versus organic and antibiotic-free systems, indicating serious food safety implications.

Key Points

  • Resistance to ampicillin reached 73.8% in conventional broilers, with organic systems showing significantly less involvement.
  • Antimicrobial resistance patterns were assessed through broth microdilution on neck skin samples collected from 375 broilers.
  • Cross-contamination during slaughter may explain the higher resistance observed in antibiotic-free flocks processed after conventional ones.
  • Findings underscore the need for control strategies addressing farming practices and hygiene standards at slaughterhouses.

Cite This Study

Dilio et al. (2025) studied this question.

synapsesocial.com/papers/69401b372d562116f28f7f76https://doi.org/10.3390/pathogens14121265
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