On Stocking. 9 



To enable the reader more easily to under- 

 stand the practical rules which govern the suc- 

 cessful cultivation of trout in ponds, lakes, and 

 streams, it will be convenient first to consider the 

 the cost, manner of production, and uses of Ova, 

 fry, yearlings, and two-year-olds ; next in order 

 the various conditions under which each can be 

 most profitably used ; and finally, how any given 

 piece of water can be cultivated so as to yield 

 conditions favourable to one or other mode of 

 Stocking, and the management necessary to com- 

 mand the best possible results. 



OVA. 



7/5 Production, Incubation, Appropriate Employ- 

 ment, and Cost. 



THE PRODUCTION OF OVA. Most anglers would 

 ask, ' What can be said of the production of Ova ? 

 why not net the spawning grounds ? ' But a 

 very great deal can be written on the production 

 of Ova, and much that is new. It is all very well 

 to net the spawning grounds. And if you know 

 of several brace of magnificent spawners, and the 

 owner of the water will permit these being netted 

 and stript, well and good, the Ova are most 

 excellent, and if half the fry resulting therefrom 

 are returned to the water, well and good, both 



