FIG. 3.

PFGE patterns and antimicrobial resistance profiles of selected clones of Salmonella serovar Heidelberg. For the susceptibility results, a black box indicates resistance to a particular antimicrobial. AMC, amoxicillin-clavulanic acid; AMI, amikacin; AMP, ampicillin; FOX, cefoxitin; AXO, ceftriaxone; CHL, chloramphenicol; CIP, ciprofloxacin; GEN, gentamicin; KAN, kanamycin; NAL, nalidixic acid; STR, streptomycin; SUL, sulfonamides; TET, tetracycline; TIO, ceftiofur; COT, trimethoprim-sulfamethoxazole; CVM, FDA Center for Veterinary Medicine.