CHAPTEE VI 

 WATEE FOE TEOUT CULTUEE 



In selecting a site for a hatchery for the cul- 

 tivation of trout, two conditions are to be ob- 

 served — one, t hat th ere be a slope to the ground, 

 and the other a spring of propeTquSity and 

 volume, or, in lieu of the spring, agood^tream 

 ofcoid, rapidly running and clean water, and 

 free from frequent flooding^ The best supply 

 is derived from a deep spring, since such 

 springs seldom run dry, or change materially 

 in volume or temperature. 



Quality of Water. — Some men suppose that 

 a very large volume of water is required to suc- 

 cessfully carry on a trout-hatchery, but this is 

 a mistake. A moderate, steady supply of 

 water of even temperature, thoroughly aerated, 

 will produce as satisfactory results as a large 

 body, if skillfully utilised. Nevertheless he is 

 a fortunate man who owns a spring that fur- 



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