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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Haemophilus parasuis (Spain) >4 >8 0.25 － 16 768
Haemophilus parasuis (UK) 0.5 4 0.25 － 16 768
Klebsiella pneumonia (ATCC 10031) - - 16 － ? 1183
Listeria monocytogenes - - 58 － ? 861
Micrococcus kristinae - - 1 － ? 1302
Micrococcus kristinae - - 4 － ? 1183
Micrococcus luteus - - 4 － ? 1183
Mycoplasma bovis (Britain) - - 1 － 128 598
Mycoplasma bovis (Italy) - - 0.12 － 4 598
Mycoplasma bovis (Netherlands) - - 8 － >64 598
Mycoplasma gallisepticum - - 0.05 － 200 599
Mycoplasma gallisepticum (1975-1989) - - 0.12 － 1 606
Mycoplasma gallisepticum (1990-2000) - - 0.05 － 200 606
Mycoplasma gallisepticum (41-91) - - 0.125 － ? 595
Mycoplasma gallisepticum (ATCC 15302) - - 0.125 － ? 595
Mycoplasma hyopneumoniae 1 2 0.25 － 4 760
Mycoplasma hyopneumoniae - - 0.12 － 2 761
Mycoplasma hyopneumoniae (ATCC 25634) - - 0.12 － ? 594
Mycoplasma hyopneumoniae (ATCC 25634) - - 0.12 － ? 594
Mycoplasma hyopneumoniae (ATCC 25634) - - 1 － ? 594
Mycoplasma hyopneumoniae (field isolate + final) 0.5 2 0.12 － >2 761
Mycoplasma hyopneumoniae (field isolate + initial) 0.12 1 0.03 － 2 761
Mycoplasma hyopneumoniae (Final reading + Belgian) 0.5 2 0.12 － >2 594
Mycoplasma hyopneumoniae (Initial reading + Belgian) 0.12 1 0.03 － 2 594
Mycoplasma hyopneumoniae (J-strain + final) - - 1 － ? 761
Mycoplasma hyopneumoniae (J-strain + initial) - - 0.12 － ? 761
Mycoplasma hyosynoviae <=2 - 0.5 － >4 1513
Mycoplasma iowae (1975-1989) - - 1 － 3 606