174 



MAKING POULTRY PAY 



After placing the eggs upon the tray ready for 

 the incubator, set the tray upon a pair of scales read- 

 ing to ounces and note the total weight of eggs and 

 tray. They should decrease in weight each day as 

 per the above table. By watching the air cell, as 

 shown in Figure 69, one can tell whether the eggs are 



FIG. 70 THE COMPLETED HATCH 



drying down enough and regulate the ventilation 

 accordingly. 



The Hatch — Quit turning and cooling the eggs 

 on the eighteenth day, and keep the incubator door 

 closed tightly, until the hatch is complete, and all the 

 chicks out of the shells that will come out. \Y\^ the 

 beginner this is an anxious time, and the chicks are 

 counted in advance. All expect a good hatch. Hope 



