30 BULLETIN 561, U. S. DEPARTMENT OF AGRICULTURE. 
Table 7b. — Feed cost per dozen eggs for 4-week periods, 1914-15 — Continued. 
Period. 
First laying 
rear. 
Pen 10. 
Pen 11. 
Pen 12. Pen 13. 
Pen 14. 
Pen 15. 
Pen 16. 
1914. 
Cents. 
Cents. 
Cents. 
45.7 
17.1 
12.1 
8.1 
9.9 
8.8 
7.8 
8.3 
7.5 
8.9 
10.9 
11.2 
19.8 
Cents. 
Cents. 
Cents. 
Cents. 
159.0 
70.8 
20.0 
15.4 
10.6 
7.9 
6.7 
7.7 
8.9 
7.3 
11.1 
19.3 
80.2 
1915. 
January 
\ 
February 
22.4 
10.0 
8.1 
6.9 
8.7 
10.1 
9.0 
11.1 
12.8 
13.4 
12.7 
7.3 
6.7 
5.7 
6.1 
6.9 
6.5 
7.1 
8.3 
8.7 
11.2 
40.0 
28.0 
10.8 
7.2 
7.0 
7.1 
7.2 
7.4 
8.6 
8.9 
10.8 
11.4 
16.3 
52.7 
59.0 
March 
31.0 
14.3 ; 
9.1 
15.7 i 
19.3 
139.0 
9.2 
7.8 
"244.'6* 
36.0 
85.0 : 
35.0 
18.6 
April 
10.4 
May 
6.7 
May 
7.1 
10.2 
July 
15.4 
August 
17.8 
27.3 
October 
66.9 
Noyember 
December 
240.0 
1916. 
45.0 
February 
37.0 
Ayerage 
13.4 
11.9 
10.2 
8.5 
9.7 
31.9 
18.0 
Figures in parentheses are repetitions, put in for comparison; they are not included in the ayerages. 
For repetition of month of May see note under Table 4. 
FEED USED IN PRODUCING EGGS. 
The amount of feed used in producing a dozen eggs is shown in 
Tables 8, 8a, and 8b. The cost of this feed for each period is shown 
in Tables 7, 7a, and 7b. The amount of feed is given in addition to 
the cost so that the cost can be more readily secured at any time 
regardless of the comparative price of grains. 
Table 8. — Feed per dozen eggs for 4-week periods, 1912-13. 
Period. 
First laying year. 
Penl. 
Pen 2. 
Pen 3. Pen 4. 
Pen 5. 
Pen 6. 
1912. 
Pounds. 
Pounds. 
Pounds. Pounds. 
Pounds. 
Pounds. 
7.0 
8.3 
17.3 
9.1 
6.4 
6.8 
1913. 
18.1 
7.2 
7.3 
February 
7.1 
4.1 
7.1 
4.8 
8.7 
10.7 
March 
5.6 
4.6 
5.3 
3.7 
6.6 
6.9 
April 
4.8 
3.7 
4.7 
2.7 
5.1 
4.8 
May 
4.2 
3.5 
4.8 
2.7 
4.9 
4.5 
May 
4.0 
3.2 
5.0 
2.9 
5.8 
5.5 
June 
4.3 
3.6 
5.8 
3.3 
4.4 
5.2 
July 
5.1 
5.1 
7.3 
4.6 
6.2 
7.6 
August 
4.9 
4.8 
9.7 
4.8 
7.0 
8.2 
September -. 
9.1 
5.2 
9.9 
6.4 
8.8 
12.9 
October 
13.1 
8.4 
20.8 
11.6 
10.1 
18.2 
Noyember 
(66. 2) 
(15.0) 
(22.fi) 
26.6 
17.6 
17.6 
December 
(44.9) 
(28.7) 
(25.0) 
27.3 
19.3 
15.1 
1914. 
12.6 
January 
(35.8) 
(32.9) 
(29.5) 
16.6 
20.3 
Average 
6.2 
4.9 
7.0 
4.7 
7.3 
8.1 
Figures in parentheses are repetitions, put in for comparison; they are not included in the 
For repetition of month of May see note under Table 4. 
