本试验是研究四环素、红霉素和洁霉素在水牛体内的代谢动力学,求出单次给药动力学参数,然后予测多次给药参数,为临床合理用药提供依据,四环素用水牛4头,红霉素用水牛4头,洁霉素用水牛3头。静脉注射用盐酸四环素剂量为10mg/kg;一次颈静脉注射;乳糖酸红霉素剂量为8mg/kg,一次颈静脉注射;盐酸洁霉素注射液剂量为20mg/kg,一次颈 This experiment is to study the kinetics of tetracycline, erythromycin and lincomycin in buffalo body, to find out the kinetic parameters of single administration, and then to test the multiple administration parameters to provide the basis for clinical rational use of drugs, tetracycline buffalo 4, buffalos 4 buffaloes, lincomycin 3 buffaloes. Intravenous injection of tetracycline hydrochloride dose of 10mg / kg; a jugular vein injection; erythromycin lactobionate dose of 8mg / kg, a jugular vein injection; lincomycin hydrochloride injection dose of 20mg / kg, a neck