CHAPTER X 



HATCHING TROUT AND CARE OF THE 

 FRY 



Thebb are differences of opinion as to how 

 mucli water should be sent throngli the troughs 

 containing trout-eggs. Some fish-culturists be- 

 lieve that if a certain quantity be exceeded, it 

 will result in what is call "bursted" eggs, or the 

 destruction of the germ ajid also of the sac at- 

 tached to the young fish; but I can find no 

 evidence that mere volume can produce such 

 disastrous results. I have seen water pouring 

 forcibly from two one-inch pipes into a trough 

 containing eggs ; and in the same house a similar 

 supply in a trough containing fry, yet without 

 the slightest injury to either. 



The fish-culturist must determine for himself 

 how much water he may safely use without 

 danger. It may be said as a general rule, that 

 the more air there is in the water the smaller 

 the flow required, and as there is usually more 



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