[Title] [Remark: how Canada maintains and replenishes its fresh water fisheries through artificial propagation is a subject filled with interest.] Shot of Lakeise Lake hatchery on Granite Creek in British Columbia. Shot of spawning salmon being directed into special enclosures in their run upstream. Shot of fence and enclosures. Shots of men catching fish when "ripe", stripping them of eggs and milt. Shot of salmon jumping over rocks in rapids. Shot of eggs being prepared for shipment, packed in moss-lined boxes, loaded first in a boat then in a truck and brought to the fish hatchery. Various shots of development of salmon eggs, of young salmon swimming in special troughs. Meanwhile, men prepare enclosure or retaining pond into which young fry will be dumped. Shot of thousands of small salmon swimming in pond, of automatic feeding machine at work. Shot of fry and fingerling being transferred to Lakeise Lake to complete their growth. Shot of men loading fish, driving to lake, dumping fish in water. [Interspersed titles; End Title]