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Position: Home > Articles > Pharmacokinetics of Florfenicol in Piglet through Oral Administration Mixed with Feed Livestock and Poultry Industry 2011 (7) 32-35

氟苯尼考在猪体内混饲给药药动学研究

作  者:
陈进
单  位:
福建省福清市畜牧兽医中心
关键词:
氟苯尼考;仔猪;混饲给药;药动学
摘  要:
选取保育舍25日龄仔猪6头,一次性混饲给药66mg/kg氟苯尼考后,进行药物代谢动力学研究,所得数据经PKS药动学分析软件进行处理。结果表明:混饲给药氟苯尼考后,血药浓度与时间关系均符合二室开放模型,其主要药代动力学参数如下:T1/2β为(25.54±6.66)h,CL/F为(3.87×10-3±9.98×10-5)L/(kg.h),Vd/f为(1.4206±0.3349)L/kg,AUC为(230.878±5.955)mg/(h.L),LagTime为(0.1777±0.2514)h,Tmax为(1.3828±0.6463)h,Cmax为(7.4419±0.1207)μg/mL。从以上参数可以看出,保育舍仔猪一次性混饲给药后,氟苯尼考仍表现出吸收迅速、广泛和消除较慢的特点,与直接口灌给药方式比较,混饲给药的最高血药浓度较低,但消除半衰期明显延长,二者的生物利用度相当。
译  名:
Pharmacokinetics of Florfenicol in Piglet through Oral Administration Mixed with Feed
作  者:
CHEN Jin(Fuqing the animal husbandry and veterinary centre,Fujian Fuqing,350300,China)
关键词:
florfenicol piglet oral administration mixed with feed pharmacokinetics
摘  要:
Six piglets of 25 days old were enclosed in this experiment for pharmacokinetics study on florfenicol after administrated of a dose of 66mg/kg body weight mixed with feed.The data were analyzed with PKS software,the result indicated that:the concentration-time course of florfenicol in body could be described by a two-compartment open mode1,the main pharmacokinetics parameters in blood were as follows:T1/2β(25.54±6.66)h,CL/F(3.87×10-3±9.98×10-5)L/(kg·h),Vd/f(1.4206±0.3349)L/kg,AUC(230.878±5.955)mg/h·L,LagTime(0.1777±0.2514)h,Tmax(1.3828±0.6463)h,Cmax(7.4419±0.1207)μg/mL,which showed that,florfenicol was absorbed quickly,distributed widely,and eliminated slowly.Compared with the simplex oral administration,oral administration mixed with feed would have lower Cmax and longer T1/2βand shared the same bioavailability.

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