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Table 4 Antimicrobial resistance patterns of 33 isolates recovered from boot swab and faeces samples on MC+ media on D10 and D21, post arrival of egg/chick onto on-farm hatching farms (n = 2) and conventional hatching farm (n = 1)

From: Antimicrobial resistance in Escherichia coli isolated from on-farm and conventional hatching broiler farms in Ireland

AMR PROFILE Number of isolates % Isolates
AMP, AMC, CEF, CPD, CEV, CTZ, CFR, CIP 9 28%
AMP, AMC, CEF, CPD, CEV, CTZ, CFR, CHL, CIP, DOX, SXT 7 21%
AMP, AMC, CEF, CPD, CEV, CTZ, CFR, CIP, SXT 7 21%
AMP, AMC, CEF, CPD, CEV, CTZ, CFR, SXT 6 18%
AMP, AMC, CEF, CPD, CEV, CTZ, CFR, CIP, DOX, GEN 2 6%
AMP, AMC, CEF, CPD, CEV, CTZ, CFR 1 3%
AMP, CEF, CEV, CFR, CHL, NIT 1 3%
Total 33 100%
  1. All isolates resistant to CIP were also resistant to ENR and MAR
  2. AMP ampicillin, AMC amoxycillin clavulanic acid, CEF cefalexin, CPD cefpodoxime, CEV cefovecin, CTZ ceftazidime, CFR ceftiofur, CHL chloramphenicol, NIT Nitrofurantoin, CIP ciprofloxacin, ENR enrofloxacin, NIT nitrofurantoin, DOX doxycycline, GEN gentamicin and SXT trimethoprim sulfamethoxazole