130 FISH HATCHERY MANAGEMENT 



Tkisski.I., K. 1'. 1M72. The j)ercent un-ionizcd ammonia in aquee)us ammonia solutions at dif- 

 ferent pH levels and tem{)eratures. Journal of the Fisheries Research Board of Canada 

 2<)(l()):ir)0.'') l.'>()7. 



Tl CKKR, Craig S., and Ci.ai dk E. Bovd. 1!)77. Relationships between potassium perman- 

 ganate treatment and water quality. Transactions of the American Fisheries Society 

 l()fi(5):481 488. 



TUNISON, A. V. 1945. Trout feeds and feeding. Cortland Experimental Hatchery, Cortland, 

 New York. (Mimeo.) 



TwoNGO, Tl.MOTHY K., and H. R. MacCrimmon. 1!)7(). Significance of the timing of initial 

 feeding in hatchery rainbow trout, Sabno fiairdruri. Journal of the Fisheries Research 

 Board of Canada 33 (i)) : 1 !) 1 4 1 92 1 . 



US Bureau of Sport Fisheries and Wildlife. 1!)7(). Report to the fish farmers. US Fish and 

 Wildlife Service Resource Publication 83. 



Wedf.MEYER, Gary A., and James W. Wood. 1974. Stress as a predisposing factor in fish 

 diseases. Fish Disease Leaflet 38, US Department of Interior, Fish and Wildlife Serv- 

 ice, Washington, D.C. 8 p. 



Westers, Harry. 1970. Carrying capacity of salmonid hatcheries. Progressive Fish-Culturist 

 32(l):43-4fi. 



, and Kei I H Pr.MI. 1977. Rational design of hatcheries for intensive salmonid culture, 



based on metabolic characteristics. Progressive Fish-Culturist 39(4) : 1.57-1(1.5. 



WlELOLGHBY, Harvey. 19(i8. A method for calculating carrying capacities of hatchery troughs 

 and ponds. Progressive Fish-Culturist 3()(3) : 173- 174. 



, Howard N. Larsen, and J. T. Bowen. 1972. The pollutional effect of fish 



hatcheries. American Fishes and US Trout News 17(3):(i-7, 20-21. 



Wood, Jame.S W. 1968. Diseases of Pacific salmon, their prevention and treatment. State of 

 Washington, Department of Fisheries, Olympia, Washington 7fi p. 



