Soludox Further information Refer to table "Recent MIC's of doxycycline for porcine respiratory pathogens" Recent MIC's of doxycycline for porcine respiratory pathogens Pathogen Year of isolation Country MIC50 in µg/ml MIC90 in µg/ml % ≤ 1.0 µg/ml Number of isolates P. multocida 2001 Spain 0.1 0.5 >90% 21 2003/2005 UK 0.25 0.25 100% 20 2004/2005 Germany 0.5 2.0 88% 653 B. bronchiseptica 2001 Spain 0.04 0.05 >90% 15 A. pleuropneumoniae 2001 Spain 1.4 2.4 <50% 15 2003/2005 UK 1.0 2.0 60% 20 2004/2005 Germany 1.0 1.0 91% 124 M. hyopneumoniae 2001 Spain 0.1 0.2 >90% 19 2003-2005 UK/Belgium 0.125 0.5 95% 20 2000-2002 Belgium 0.5 1.0 90% 21