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Table 1 Results of the in vitro antimicrobial susceptibility testing

From: Camel Streptococcus agalactiae populations are associated with specific disease complexes and acquired the tetracycline resistance gene tetM via a Tn916-like element

  0.008 0.015 0.03 0.06 0.12 0.25 0.5 1 2 4 8 16 32 64 128 ECOFF CLSI CBP MIC90
  mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L   (mg/L) (mg/L)
AMC     2 43 44      1      ND ≥ 32/16 0.25
AMP     1 20 68   1         ≤ 0.25 ≥ 8 0.25
CEF      1 53 35    1       ND ≥ 32 0.5
CFP      1 44 44   1        ≤ 0.125 ND 0.5
CFQ    1 24 65            ND ND 0.12
CHL         2 83 4 1      ND ≥16 2
CLI    10 80             ≤0.5 ND 0.06
CTX    1 52 35 1   1         ≤ 0.125 ND 0.12
ENR    1     5 75 8        ND ND 1
ERY   2 14 74             ≤ 0.25 ≥ 1 0.06
GEN        1     1 15 71 2   ND ≥ 16 32
OXA   1     4 85          ND ND 0.5
PEN   1   39 48   1   1        ND ≥4 0.12
PIRL     3 80 7           ND ≥4 0.12
Q-D      1 6 83          ND ND 0.5
SPI     1   84 4          ND ND 0.25
SXT    28 57 3 1           ND ≥ 76 0.06
TET       26 31 1      12 19   ≤ 1.0 ≥ 8 64
TIL       2 1   4 83       ND ND 4
TUL      1 1 78 10         ND ND 1
TYL      1 3 56 30         ND ND 1
VAN        82 8         ≤1.0 ND 0.5
XNL     1 5 83   1         ND ≥ 8 0.25
  1. ECOFF-epidemiological cut-off value (retrieved from the European Committee on Antimicrobial Susceptability Testing), CLSI CBP-CLSI M31-A3 veterinary clinical breakpoint for resistance, MIC90-Minimum Inhibitory Concentration required to inhibit the growth of 90% of organisms, ND-not determined, GBS-Group B Streptococcus agalactiae, AMC-Amoxicillin-clavulanic acid (2:1 ratio), AMP-Ampicillin, CEF – Cephalothin, CFP - Cefoperazone, CFQ – Cefquinome, CHL – Chloramphenicol, CLI – Clindamycin, CTX – Cefotaxime, ENR – Enrofloxacin, ERY – Erythromycin, GEN – Gentamicin, OXA – Oxacillin + 2% NaCl, PEN – Penicillin, PIRL – Pirlimycin, Q-D - Quinupristin/Dalfopristin, SPI – Spiramycin, SXT - Trimethoprim/Sulfamethoxazole, TET – Tetracycline, TIL – Tilmicosin, TUL – Tulathromycin, TYL – Tylosin, VAN – Vancomycin, XNL – Ceftiofur.