the smolt system is for 30–
40 to 100 g salmon (January–May), the on-grow system is for 100 g
to 1.0 kg salmon in their 2nd year (May–May), the 3-year-old
broodstock system is for 1.0–3.0 kg salmon (June–May), and the 4-
year-old broodstock system is for growing salmon to 3.0–6.0 kg
from June until October when they will be spawned.