REARING 225 



you are well into November that, generally, the tem 

 perature will be low enough to make it safe to move 

 trout to any considerable distance. 



As soon as the fish can be safely travelled, they 

 are for the first time dignified by the name of ' year- 

 lings,' although in reality they are then for the most 

 part only about ten months old, and by the name of 

 yearlings they continue to be known until the ap- 

 proach of next spring closes their travelling season, 

 and gives the signal for their removal to the larger 

 ponds where they will be treated as growing two-year- 

 olds. 



FIG. 19 



The departure of the yearlings enables you to run 

 the yearling ponds quite dry, ready to be cleaned and 

 * aired ' before receiving the next stocking of feeding 

 fry from the rearing-boxes. 



The management of the growing two-year-olds is 

 merely a continuation of the treatment which the fish 



Q 



