Table 4: Antibiotic sensitivity/resistance profiles of 51 Campylobacter jejuni/coli isolates from broilers on Farms A and B in Grenada.

Antibiotic*Farm AFarm B value comparing
Sen/Resist (% R)Sen/Resist (%R)% resistant

Gen23/0 (0%)22/6 (21.4%)P = 0.0265
Chlor22/1 (0.04%)25/3 (10.7%)
Cipro6/17 (73.9%)23/5 (17.9%)P = 0.0001
Amp20/3 (13%)27/1 (3.6%)
Tetra$23/0 (0%)18/10 (35.7%)P = 0.0011
Eryth23/0 (0%)23/5 (17.9)
Metroni17/6 (26.1%)7/21 (75.0%)P = 0.0007

Gen: gentamicin; Chlor: chloramphenicol; Cipro: ciprofloxacin; Amp: ampicillin; Tetra: tetracycline; Eryth: erythromycin; Metroni: metronidazole.
Fischer’s exact two-tailed test.
Antibiotic used on Farm A.
$Antibiotic used on Farm B.