Research Article

Antimicrobial Resistance of Salmonella enterica Isolates from Tonsil and Jejunum with Lymph Node Tissues of Slaughtered Swine in Metro Manila, Philippines

Table 2

Antibiogram of Salmonella enterica isolates generated through VITEK 2 antimicrobial susceptibility testing.
(a)

IsolateSerogroupS. enterica serotypeAntimicrobiala
AMPAMCCZCXMCXM AXFOXCAZCROFEP
MIMIMIMIMIMIMIMIMI

Lt16BTyphimurium≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lt21BTyphimurium≥32R≤2S≥64R≥64R≥64R≤4 *R≤1S≤1S≤1S
Lt24BTyphimurium≥32R16I≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lt30BTyphimurium≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lai1BAgona≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lai27BTyphimurium≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lat23BAgona≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lat27BAgona≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lbt30BTyphimurium≤2S≤2S≤4 *R≤1 *R≤1 *R≤4 *R≤1S≤1S≤1S
Lct47BTyphimurium≥32R8S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Nt4BTyphimurium≥32R4S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Pt26BHeidelberg≥32R4S≤4 *R8 *R8 *R≤4 *R≤1S≤1S≤1S
Lat20C1Choleraesuis≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Lbt18C1Choleraesuis≥32R16I≥64R8 *R8 *R≥64*R≤1S≤1S≤1S
Lt25DEnteritidis≥32R≥32R≥64R≥64R≥64R≥64R4* *R≥64R2S
Li16EWeltevreden≤2S≤2S≤4 *R≤1 *R≤1 *R≤4 *R≤1S≤1S≤1S
Lt3EWeltevreden≥32R4S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Mbi8EWeltevreden≥32R4S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S
Mbi25EWeltevreden≥32R≥32R≥64R16 *R16 *R16 *R≤1S≤1S≤1S
Pt12EWeltevreden≤2S≤2S≤4 *R4 *R4 *R≤4 *R≤1S≤1S≤1S

AMP: ampicillin; AMC: amoxicillin/clavulanic acid; CZ: cefazolin; CXM: cefuroxime; CXM AX: cefuroxime axetil; FOX: cefoxitin; CAZ: ceftazidime; CRO: ceftriaxone; FEP: cefepime; M: minimum inhibitory concentration (MIC); I: interpretation; *modified by machine (Clinical and Laboratory Standards Institute, 2012 [13]).
(b)

IsolateSerogroupS. enterica serotypeAntimicrobiala
ETPIPMMEMANGMLEVTGCSXT
MIMIMIMIMIMIMIMI

Lt16BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≤20S
Lt21BTyphimurium≤0.5S4*S≤0.25S≤2 *R≤1 *R≤0.12S2S≤20S
Lt24BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≤20S
Lt30BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S1S≤20S
Lai1BAgona≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≤20S
Lai27BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S1S≤20S
Lat23BAgona≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≤20S
Lat27BAgona≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≤20S
Lbt30BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S4I≤20S
Lct47BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R1S1S≥320R
Nt4BTyphimurium≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S2S≥320R
Pt26BHeidelberg≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S2S≥320R
Lat20C1Choleraesuis≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S1S≤20S
Lbt18C1Choleraesuis≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S≤0.5S≥320R
Lt25DEnteritidis≥8R4S1S≤2 *R≤1 *R1S≥8R≥320R
Li16EWeltevreden≤0.5S4*S≤0.25S≤2 *R≤1 *R≤0.12S4I≤20S
Lt3EWeltevreden≤0.5S≤1S≤0.25S≤2 *R≥16R≤0.12S≤0.5S≤20S
Mbi8EWeltevreden≤0.5S≤1S≤0.25S≤2 *R≥16R≤0.12S≤0.5S≥320R
Mbi25EWeltevreden≤0.5S≤1S≤0.25S≤2 *R≤1 *R1S2S≤20S
Pt12EWeltevreden≤0.5S≤1S≤0.25S≤2 *R≤1 *R≤0.12S1S≤20S

ETP: ertapenem; IPM: imipenem; MEM: meropenem; AN: amikacin; GM: gentamicin; LEV: levofloxacin; TGC: tigecycline; SXT: trimethoprim/sulfamethoxazole; M: minimum inhibitory concentration (MIC); I: interpretation; *modified by machine (Clinical and Laboratory Standards Institute, 2012 [13]).