Hiroi Koi Farm

Official Farm Name: Hiroi Koi Farm

Breeder: Kazuyoshi Hiroi

Area: Koguriyama, Ojiya

Raising Area: 100.000 m2

Varieties: Go Sanke, Doitsu Go Sanke, Goshiki, GR Goshiki, GR Kohaku and other varieties Number of mud ponds 60, Parent stock 80, Yearly production 40.000 pcs