MINOR ABNORMALITIES IN EGGS 



407 



eggs, intestinal worms within eggs, connected eggs, multigerminal 

 disks, meat spots, soft-shell eggs and eggs with loose shell mem- 

 branes, that space will not be devoted to their description. 



Fertile egg after 72 hours of incubation. 



Infertile egg after 72 hours of incubation. 



Fertile egg after 7 days of incubation. Infertile egg after 7 days of incubation. 



(Courtesy U, S. Dep't Agriculture) 



Fig. 264. — Changes affecting the appearance of eggs. 



External Influences. — In the foregoing paragraphs we have 

 discussed only the internal factors affecting the quality of eggs. 



