Concurrent with the importance of assessing the returns of 

 hatchery fish to the angler is a cost analysis of our fish 

 hatchery production figures. Example: 



Table 22 



CHATSWORTH TROUT REARING STATION 1966-1967 



Food Cost 



Production in Food Per Pound 



SPECIES Pounds Conversion Produced 



Mean food cost to produce one pound of fish at this station 

 was $0.39. The total cost to produce one pound of fish, in- 

 cluding all of the above species, was $1.39. Production from 

 this station for the year 1966-1967 totalled 45,993 pounds or 

 1,323,541 fish including fingerlings and yearlings of four 

 species. 



The use of plastic bags in the transfer of hatchery fish was 

 first used as a management technique in 1966 by the Sault 

 Ste. Marie District. In 1965, the district's inland brook trout 

 plantings required 65 hours of Otter aircraft flying time. In 

 1966, similar numbers were distributed in lli'2 hours, thus 

 realizing a substantial saving. Promotion of the technique 

 within the Department has stimulated several other Dis- 

 tricts to attempt its implementation in their fish planting 

 procedures. 



During the past fiscal year, the first of the genetically selec- 

 ted hybrid splake were set aside for potential brood stock 

 at Codrington Trout Rearing Station. These fish will ulti- 

 mately be transferred for culture to the Chatsworth Trout 

 Rearing Station. 



In line with the long term rehabilitation of the lower Great 

 Lakes, kokanee egg stocks were imported into Ontario. Two 

 and a half million walleye eyed-eggs were exchanged for 

 kokanee eggs from Montana and Colorado. Two million 

 brook trout eyed eggs were also exchanged with British 

 Columbia for an additional lot of kokanee eggs. Although 

 small and premature (two years of age), the first spawning 

 runs of kokanee were seen in the waters of Lake Huron and 

 Ontario in the fall of 1966. 



Lake trout eggs were also received on an exchange basis 

 from Clearwater Lake (Atikemeg). Manitoba provided Ontario 

 with 200,000 lake trout eyed eggs in exchange for 100,000 

 brook trout eyed eggs and 50,000 maskinonge fry supplied 

 by Dorion and Deer Lake hatcheries respectively. 

 The distribution of hatchery fish to Ontario waters for public 

 use during the fiscal year 1966-1967 is outlined in Table 23. 

 This year, approximately 47,032,557 fish of all species were 

 cultured for current or future plantings, primarily for the 

 sport fishery. For the distribution of hatchery reared fish, 

 tabulated by species, for the years 1962 through 1966 see 

 Table 24. 



A number of agencies were provided with approximately 

 212,000 fish, ranging from green eggs to yearlings, for 

 research and educational purposes. Such agencies include 

 the Fisheries Research Board of Canada; the University of 

 Toronto; the University of Western Ontario; the University 

 of Guelph; McMaster University and the Department of 

 Lands and Forests Research Branch. 

 Programs conducted by these agencies, and for which 

 hatchery fish were used, include the sea lamprey control 

 program; lethal temperature studies; light as it affects the 

 spawning cycle; experimental research in embryology, 

 morphology, metabolism, parasitology, and pathology; and 

 long term studies in population dynamics, fish culture tech- 

 niques and planting methods as they affect the return of 

 hatchery fish to the angler. 



The Dorion and Tarentorus Trout Rearing Stations again 

 met Ontario's commitment of yearling lake trout for Lake 

 Superior as the Province's part of the International re- 

 habilitation program. Those fish from Tarentorus (Sault Ste. 

 Marie) station were planted between Corbeil Point and 

 Goulais Bay (100,000), and from Otter Head to the Michi- 

 picoten River (125,000). Dorion (Port Arthur) fish were 

 planted in Jackfish Bay (75,000), Nipigon Bay (75,000) and 

 between Magnet Point and Fluor Island (75,000). 

 HATCHERIES (PRIVATE) 



In 1966, 30 private fish hatcheries were licenced to sell fish 

 for restocking, and 32 to sell for human consumption. 

 Ontario regulates private fish hatcheries in order to control 

 the distribution of fish within the natural watersheds and 

 to prevent the sale and movement of diseased fish. The 

 primary species dealt with were brook and rainbow trout, 

 largemouth and smallmouth bass. 



A group of private hatchery operators formed the Canadian 

 Fish Farmers Association in 1966, the first Canadian group 

 of its kind. 



Table 23 



FISH DISTRIBUTION FROM ONTARIO PROVINCIAL HATCHERIES FOR 1966 



