TABLE 3.

Antibiogram phenotypes and genotypes of Salmonella serovars exhibiting decreased susceptibility to ampicillin and/or indicator cephalosporins

SerovarMIC (μg/ml)aTEMDetection of class A, C, and D β-lactamasesb
AMPCEFCTXCAZFOXSHVCTXMPSE-1DHA-1OXA
S. Enteritidis1,0241TEM-1
S. Enteritidis1,0241TEM-1
S. Enteritidis1,0240.5TEM-1
S. Haardt1,0240.5TEM-1
S. Haardt1,0240.5TEM-1
S. Indiana1,0240.5TEM-1
S. Indiana1,0240.5TEM-1
S. Indiana1,0240.5TEM-1
S. Indiana1,0240.5TEM-1
S. Indiana1,02420.512TEM-1+
S. Indiana1,02420.524TEM-1+
S. Indiana1,02464844TEM-1+
S. Istanbul1,0240.25TEM-1
S. Typhimurium1,0240.5TEM-1
Salmonella spp. (C1 group; 7;z10)1,0240.5TEM-1
  • a Ampicillin, AMP; ceftiofur, CEF; cefotaxime, CTX; ceftazidime, CAZ; cefoxitin, FOX.

  • b +, detected; −, not detected.