The fish needed to create the basic population for the National Project of Selective Breeding of Rainbow Trout were transferred from the Coldwater Fishes Research Center of Tonekabon to the Shahid Motahari Genetics and Breeding Research Center of Coldwater Fish –Yasuj. The transferred juvenile fish are from the macro project "The mass production of Specific Pathogen Free (SPF) rainbow trout". In addition to the above mentioned juvenile fish, 95 female fish and 25 male fish were transferred to the center in order to create the basic population.