596 



Bulletin 318 



TABLE 19. Cost per Dozen Eggs Produced 

 (December 8, 1908, to December 6, 1909) 



cases the strong flock laid the heavier eggs and these hatched the heavier 

 chicks; but in one combination flock 79 (weak) produced the heavier 

 eggs and consequently heavier chicks. (Table 20.) 



TABLE 20. Incubation Report 

 (December 8, 1908, to December 6, 1909) 



CHICK MORTALITY 



The actual number of chicks alive at the end of six weeks was greater 

 in each instance in the strong pens than in the weak. The percentage 

 of mortality was higher in the weak pens except with the White Leghorn 

 fall-selected flocks, in which case the weak pen had a slightly lower 

 mortality percentage than the strong. The average for all flocks, how- 

 ever, was greatly to the advantage of the strong pens. (Table 21.) 



A larger percentage of heavier chicks was hatched m pen 76 (strong) 

 than in pen 7 5 (weak) ; but the greater percentage of mortality occurred 

 in this same strong pen with both chicks and old fowls. It does not 



