284 POULTRY PRODUCTS 



filth is apt to make them deteriorate in quality, because the 

 filth may get inside through the pores of the shells (Fig. 156). 

 Eggs for food should be collected regularly, and at least 

 once a day. They should never be taken from stolen nests 

 or the incubator, for such eggs are usually of poor quality, 



FIG. 156. Undesirable types of eggs for market. The lower egg is clean and 

 normal as to size and shape. The others are dirty, thin-shelled, or cracked. Such 

 eggs should be kept at home. 



and may contain blood spots. In collecting eggs, be careful 

 not to break the shell. A crack in the shell will allow the 

 contents to leak out, run over other eggs, and spoil their 

 appearance. After collection the eggs should be sorted and 

 packed immediately. First, grade them according to the 

 color of the shell, packing and shipping white- and brown- 



