The results showed that the plasma concentrations of the drug 24 hours after administration were still higher than the MIC of marbofloxacin against APP.

• 给药后24h各剂量组的血浆药物浓度均高于麻保沙星对APP的MIC，可以有效杀灭细菌，缓解临床症状，达到治疗目的。