78 Modern Fishculture in Fresh and Salt Water. 



tal ! And if the promised trout eggs come in equally 

 good shape I will be happy." 



CHAPTER IV. 



CARE OF TROUT EGGS. 



These things will kill your eggs in the troughs or 

 in the nests, or redds, in the stream : The sun is deadly ; 

 two minutes of direct sunshine through a crack will 

 kill every egg it strikes. Sediment will close the pores 

 in the egg and smother the embryo. A sudden jar on 

 the trough, a heavy weight falling on the floor or con- 

 cussion of any kind will either kill or deform the em- 

 bryos, according to their stage of development. Rats 

 and mice will eat the eggs, and one dead egg will kill 

 all that it touches if left until fungus forms on it — say 



