present a mottled appearance and spread out flat, 

 unlike the yelk of a fresh egg, which stands up and 

 looks firm. 



If the yelk is not in first class condition it will 

 not make a first-class chick. When eggs are stale 

 many chicks will die in the shell on the seventeenth 

 and eighteenth days of incubation, even when 

 strongly fertilized. 



Deformed chicks are due to stale eggs, eggs 

 irom ill-conditioned stock, and overheat. Over- 

 heat will sometimes cause the chicks to break the 

 shell before the yelk is entirely absorbed, and if 

 you help them out in that case they will die. 



Insufficient air space will prevent a chick from 

 turning in the shell and from getting out. 



When eggs have been crowded and some of the 



