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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Bordetella bronchiseptica >=32 ≥32 8 － >=32 921
Burkholderia mallei (Pakistan) 64 128 ? － ? 655
Clostridium difficile >256 >256 256 － >256 764
Escherichia coli 0.25 0.5 0.12 － 0.5 921
Escherichia coli - - 0.06 － 1 873
Escherichia coli (chicken isolate) 0.5 1 ? － ? 1037
Escherichia coli (swine isolate) ≤0.5 ≤0.5 ? － ? 1037
Haemophilus parasuis (Spain) 0.5 4 0.5 － 16 768
Haemophilus parasuis (UK) 0.5 1 0.5 － 2 768
Mannheimia haemolytica 0.00375 0.0075 0.00375 － 0.015 1043
Micrococcus (ML6) - - 35 － ? 745
Micrococcus (ML8) - - 32 － ? 745
Mycoplasma hyosynoviae >4 - >4 － ? 1513
Pasteurella haemolytica - - ≤0.06 － ? 1022
Pasteurella multocida 0.00375 0.03 0.001875 － 0.03 1043
Pasteurella multocida ≤0.015 ≤0.015 ≤0.015 － ? 921
Rhodococcus equi 0.5 8 ≤0.03 － >32 228
Rhodococcus equi (33701 + Sensititre Plate) - - 0.5 － 4 1042
Rhodococcus equi (33702 + Broth Dilution) - - 0.125 － ? 1042
Rhodococcus equi (macrolide-resistant + 48h) >8 >8 >8 － ? 1042
Rhodococcus equi (macrolide-resistant) >8 >8 1 － >8 1042
Rhodococcus equi (macrolide-susceptible + 48h) >8 >8 0.5 － >8 1042
Rhodococcus equi (macrolide-susceptible + 48h) >8 >8 0.5 － >8 1042
Rhodococcus equi (macrolide-susceptible) >4 >8 ≤0.25 － >8 1042
Salmonella spp. 1 2 0.5 － 2 921
Staphylococci - - 1 － 8 1440
Staphylococcus aureus (ATCC 29213) - - 0.5 － 1 1042
Staphylococcus pseudintermedius 0.12 0.25 0.12 － 2 1397