1931 



ANNUAL REPORT. 1930 



49 



LOCATION OF HATCHERIES 



The names of the hatcheries, their locations, and the species propagated 

 are as follows: 



P = Provincial. 

 F = Federal. 



TRANSPORTATION OF FISH 



Among the problems of the Biological and Fish Culture Branch of the 

 Department of Game and Fisheries for Ontario, the transportation of fish is 

 one of major importance, requiring for successful results, the most careful 

 organization and advance preparations. 



Fry of commercial fish reared in hatcheries located at strategic points along 

 the shores of the Great Lakes are transported very expeditiously by boat to 

 favourable planting places in these waters. In many instances, where the 

 hatchery is located near a favourite spawning ground of the fish reared, the latter 

 are transported in scows. The scows are so constructed that the fish are con- 

 tinuously supplied with normal lake water and may be liberated at any planting 

 location with the greatest ease. In this Instance also, distribution may cover a 

 very large area. For long distance runs by boat, fry and fingerlings are generally 

 transported in cans having a carrying capacity of ten gallons. The number of 

 fish carried in this way is governed by the size of the fish. Crowding is avoided, 

 so as to prevent too rapid deoxygenation of the water. ^ 



With the rapid development of game-fish rearing, the use of trucks for 

 distribution has been found most satisfactory and economical. Their use is 

 possible in the southern portion of the Province on account of the development 

 of good roads and highways, and will gradually extend to previously inacce.ssible 



