PROBLEM TO BE SOLVED: To provide a blend of a liquid medicine which reduces an aversive behavior though bitter taste effective for training is sensitized to a small animal in a bitter taste training agent essentially consisting of a denatonium cation.SOLUTION: A denatonium cation of 7 to 50 ppm is added by saccharin of a molar time ratio of 1.5 to 2.5 based on a denatonium salt, and pH is regulated to 2.0 to 4.0 to prepare a liquid medicine.COPYRIGHT: (C)2012,JPO&INPIT【課題】 デナトニウムカチオンを主成分とする苦味躾け剤において、小動物に躾けに有効な苦味を感知させるが、嫌悪行動を短縮化する液剤の配合を提供すること。【解決手段】 デナトニウムカチオンを7~50ppm、サッカリンをデナトニウム塩に対して1.5~2.5モル倍比添加し、pH2.0~4.0に調整して液剤を調合する。【選択図】なし