PROBLEM TO BE SOLVED: To provide a medium for increasing the fertility rate of artificial insemination and an efficient method of artificial insemination.SOLUTION: A medium for artificial insemination containing an aqueous solution of licorice extract and a method of artificial insemination comprising fertilizing an ovum with a sperm using the medium are disclosed. The method includes culturing a sperm using the medium containing an aqueous solution of licorice extract, adding the cultured sperm, together with the aqueous solution of licorice extract, to the medium in which an ovum is cultured, and fertilizing the ovum with the sperm.COPYRIGHT: (C)2013,JPO&INPIT【課題】人工授精の授精率を向上させるための培地、および効率的な人工受精方法の提供。【解決手段】甘草エキス水溶液を含有する人工授精用培地、および該培地を用いて卵子と精子とを授精人工授精方法。さらに、甘草エキス水溶液を含有する人工授精用培地を用いて精子を培養し、培養した精子を前記甘草エキス水溶液とともに卵子を培養した人工授精用培地に添加して、精子と卵子とを授精させる人工授精方法。【選択図】図1