464 POtTLTRY CULTURE 



eggs. This albuminous material, becoming smeared over 

 the balance of the eggs, furnishes excellent food for bacteria, 

 which may find their way into the pores of the egg so smeared 



Fig. 189. — A broken egg showing Fig. 190. — An egg the tenth day of 

 a, heavy growth of mold: u, The mold. incubation: a, The air-cell. 



and hasten its spoiling. This is one source of smeared eggs. 

 Care should be used in packing eggs, and smeared eggs should 



Fig. 191. — An egg the twentieth day of incubation: a, The air-cell; b, the 



embryo. 



be washed or used at home. Wash by dipping them in water, 

 and rub as little as possible, as the rubbing takes off the coating 

 giving the egg the so-called bloom and makes it appear like a 



