An ultraviolet spectrophotometry was established to determine the tylosin tartrate and doxycycline hyclate content in the tylosin tartrate and doxycycline hyclate soluble powder.

• 建立了双波长紫外分光光度法同时测定酒石酸泰乐菌素-盐酸多西环素可溶性粉中酒石酸泰乐菌素和盐酸多西环素含量的检测方法。