Pharmacokinetics of Difloxacin in Healthy and Aeromonasis-Infected Gibel Carp Carassius auratus gibelio
文献类型: 外文期刊
作者: Cao, Haipeng 1 ; Zhang, Haixin 1 ; He, Shan 1 ; Zheng, Weidong 3 ; Yang, Xianle 1 ;
作者机构: 1.Shanghai Ocean Univ, Natl Pathogen Collect Ctr Aquat Anim, Shanghai 201306, Peoples R China
2.Jiangxi Fisheries Res Inst, Nanchang 330039, Peoples R China
3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
关键词: pharmacokinetics;plasma protein binding;difloxacin;Aeromonas hydrophila infection;Carassius auratus gibelio
期刊名称:ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH ( 影响因子:0.287; 五年影响因子:0.593 )
ISSN: 0792-156X
年卷期: 2013 年 65 卷
页码:
收录情况: SCI
摘要: Aeromonasis has seriously affected the farming of gibel carp Carassius auratus gibelio, causing a significant and progressive increase in the use of difloxacin. In the present study, a single dose of 20 mg difloxacin per kg body weight was orally administered to healthy and aeromonasis-induced juvenile gibel carp and the pharmacokinetics is described by a two-compartment open model with first-order rate absorption. Compared to the healthy control fish, the absorption, distribution, and elimination rates of difloxacin were greatly reduced and the plasma protein binding level was significantly increased in diseased fish. In addition, as a surrogate marker of antibacterial efficacy, the ratio of maximum plasma concentration (C-max) to minimum inhibitory concentration (MIC) of difloxacin was calculated; the C-max/MIC ratios ranged 3.77-18.14 in healthy fish and 1.60-7.70 in diseased fish, indicating that difloxacin at 20 mg/kg body weight cannot ensure successful treatment in aeromonasis-infected fish.
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