Pharmacokinetics of Difloxacin in Healthy and Aeromonasis-Infected Gibel Carp Carassius auratus gibelio

被引:0
作者
Cao, Haipeng [1 ]
Zhang, Haixin [1 ,2 ]
He, Shan [1 ]
Zheng, Weidong [3 ]
Yang, Xianle [1 ]
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
来源
ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH | 2013年 / 65卷
关键词
pharmacokinetics; plasma protein binding; difloxacin; Aeromonas hydrophila infection; Carassius auratus gibelio; OXYTETRACYCLINE; SHRIMP; GOT; GPT;
D O I
暂无
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
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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页数:8
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