Lack of gender effect on the pharmacokinetics of oxytetracycline in Fenneropenaeus chinensis after intramuscular administration
文献类型: 外文期刊
作者: Sun Ming 1 ; Li Jian 2 ; Chang Zhiqiang 2 ; Guo Wenting 3 ; Zhao Fazhen 2 ; Li Jitao 2 ;
作者机构: 1.Ocean Univ China, Fishery Coll, Qingdao 266003, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Dev Marine Fisheries, Qingdao 266071, Peoples R China
3.Nanjing Univ Informat Sci & Technol, Coll Marine Sci, Nanjing 210044, Jiangsu, Peoples R China
关键词: Fenneropenaeus chinensis;oxytetracycline;pharmacokinetics;gender
期刊名称:JOURNAL OF OCEAN UNIVERSITY OF CHINA ( 2020影响因子:0.913; 五年影响因子:1.012 )
ISSN: 1672-5182
年卷期: 2015 年 14 卷 2 期
收录情况: SCI
摘要: Fenneropenaeus chinensis, an economically important shrimp species, currently suffers from epizootic diseases due to high density stocking and bacterial infections. Oxytetracycline (OTC) has been widely used to treat various systemic bacterial infections in shrimp farming. In the present study, the effect of gender on pharmacokinetics of OTC in F. chinensis was investigated. The OTC concentrations in hemolymph of shrimp after single intramuscular administration (75 mg OTC per kg body weight) were analyzed by high performance liquid chromatography and best described with a two-compartment open model which is characterized by a short elimination half-life, low clearance, and a relatively large apparent volume of distribution. The pharmacokinetic equations were C (t) = 58.54e(-0.38t) + 11.67e(-0.04t) for females; and C (t) = 27.94e(-0.28t) + 14.87e(-0.04t) for males. The distribution and elimination half-lives of OTC were 1.82 and 19.58 h, respectively, in females and 2.50 and 16.11 h, respectively, in males at 22A degrees C. The areas under the drug concentration curve were 480 mg L-1 h(-1) in females and 430 mg L-1 h(-1) in males. The total body clearance of the drug was 157.11 mL kg(-1) h(-1) in females and 172.47 mL kg(-1) h(-1) in males. The apparent volume distribution was 4.44 in females and 4.01 L kg(-1) in males. There was no significant difference in pharmacokinetic parameters between female and male shrimps, indicating that there is no need to consider the gender effect in clinical use of OTC in F. chinensis farming.
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