When stocking the salmon and sea trout juveniles, one has to consider their origin, as the fish populations of various regions differ from each other genetically and it is not recommended to mix them.
Lõhe ja meriforelli noorkalade asustamisel tuleb arvestada nende päritoluga, sest eri piirkondade kalapopulatsioonid erinevad üksteisest geneetiliselt ja neid ei soovitata omavahel segada.