26 BULLETIN" 561, TJ. S. DEPARTMENT OF AGRICULTURE. 



Table 6b. — Percentage of egg production for 4-week periods, 1914-15. 



100 PER CENT=1 EGG PER HEX PER DAT. 



Period. 



Third laying year. 



Second laying 



year. 



Penl. 



Pen 2. 



Pen 3. 



Pen 4. 



Pen 5. 



Pen 6. 



Pen 7. 



Pen 8. 



Pen 9. 



1914. 



Per ct. 

 1 

 



2 

 9 

 34 

 39 

 33 

 36 

 29 

 33 

 24 

 15 

 



Per ct. 

 1 



1 



1 



6 



26 



41 



36 



28 



26 



19 



20 



7 



1 



Per ct. 



7 

 2 



3 



11 

 22 

 26 

 28 

 35 

 22 

 27 

 15 

 10 

 4 



Perct. 

 (0) 



(0) 



(0) 

 16 

 36 

 52 

 68 

 62 

 62 

 45 

 32 

 17 

 2 

 

 



7 



Perct. 

 (14) 



(2) 



(0) 

 21 

 36 

 46 

 36 

 35 

 37 

 28 

 25 

 15 

 9 





 1 



Per ct. 

 (8) 

 (0) 



(■) 

 27 

 35 

 45 

 46 

 44 

 27 

 25 

 19 

 12 

 3 



2 

 6 



Per ct. 

 (9) 

 9 



19 

 27 

 40 

 46 

 47 

 45 

 44 

 39 

 33 

 24 

 8 

 1 



Perct. 

 (19) 



8 



21 

 40 

 64 

 71 

 73 

 73 

 65 

 57 

 41 

 23 

 3 

 2 



Per ct. 



(16) 



9 





1915. 



7 





20 





32 





38 



May 



45 





42 





34 



July 



24 





21 





15 





10 



















1916. 

















































20 



28 



16 

 26 



16 

 24 



31 



34 



23 



28 



23 



26 



29 

 i 31 



42 

 »43 



23 





124 







Period. 











First laying year. 







! Pen 10. 



Pen 11. 



Pen 12. 



Pen 13. 



Pen 14. 



Pen 15. 



Pen 16. 



1914. 





Per ct. 



Perct. 

 

 3 



16 

 20 

 29 

 37 

 47 

 49 

 49 

 46 

 42 

 23 

 5 



Perct. 



7 

 24 



39 

 66 

 60 

 70 

 68 

 61 

 62 

 49 

 41 

 38 

 20 



Perct. 



Perct. 



Perct. 



Perct. 









2 











1915. 





















17 

 33 

 40 

 55 

 54 

 41 

 40 

 35 



31 

 63 

 67 

 59 



4S 

 48 

 42 

 A 5 

 38 

 30 

 27 



13 



35 

 65 

 67 

 69 

 67 

 59 

 53 

 43 

 39 

 34 

 25 

 7 



8 







March 



April 



10 

 17 

 25 

 17 

 13 

 2 

 3 

 4 

 

 2 

 10 



4 

 11 



17 

 25 

 44 

 39 



June 



July 







34 

 23 



20 





28 

 26 



12 





















2 



1916. 









8 







12 





















Average 



29 



29 



46 



40 



44 



9 



19 















1 Two-year average. 



Figures in parentheses are repetitions, put in for comparison; they are not included in the averages. 

 For repetition of month of May see note under Table 4. 



The fall and early winter eggs were largely secured from the pullets, 

 as the production of the yearling hens during these months was very 

 low. The total egg yield of all periods throughout the year is less 

 during the second year, although this difference is neither as large 

 in the Leghorns (Pens 4 and 8) as in the general-purpose breeds 

 (Pens 1, 2, 3, 5, and 6), nor in the late-hatched (Pens 4, 5, and 6) as 



