The analgesic potency of acepromazine in a dose of 0.5 mg/kg was somewhat inferior to that of morphine (2mg/kg).

• 采用热水刺激小白鼠尾巴法???痛作用；乙酰普?嗪0.；5毫克/公斤可使“疼痛”反应出?时?延迟；?盐酸?岱?2毫克/公斤)为弱;