PREPARING POULTRY PRODUCTS 



477 



as black, white, pink, and blood rots. All are equally unfit 

 for human consumption. 



Simple Precautions for Securing Firsts. — Almost one-half of 

 the annual hot weather egg loss from low grade and spoiled 

 eggs is traceable to defects in management existing before 



Fig. 232 



Fertile egg after seven days of incubation. (Courtesy of Bureau of 

 Animal Industry.) 



the eggs are laid and capable of control by the producer. 

 Lamon and Opperman' found, during a test carried on in 

 Kansas and lasting from June 17 to August 26, that by taking 

 the following simple precautions over 97 per cent, of the eggs 

 taken to town during that time were graded as firsts: 



' Bureau of Animal Industry, Bulletin No. 160. 



