After the Zenkoku Shinshu Kanpyokai was held every spring and the National Seishu Competition was held every autumn, the seishu yeast which objectively received high prize there began to be distributed to sake brewers all over Japan by the Brewing Society (present Brewing Society of Japan) after separation and pure culture.
全国新酒鑑評会が毎年春に、全国清酒品評会が秋に開かれるようになり、そこで高い順位を取るなどして客観的に優秀と評価された清酒酵母を、醸造協会（現在の日本醸造協会）が分離、純粋培養し、全国の酒蔵に頒布するという制度が成り立っていった。