Average Years of Life per Layer Hen

	A	B	C	D	E	F	G	H	I	J	K	L	M
1	Month	Average Number of Layers on Hand During the Month	Total Layers	Total Pullets	Other Chickens	Layers sold for slaughter	Layers rendered, died, destroyed, composted, or disappeared for any reason (other than sold)	Pullets added (less than 3 days old)	Months of life as “on hand” / “disposed of”	Months of life as “on hand” / “pullets added”	Months of life as Dec. totals / “disposed of”	Months of life as Dec. totals / “pullets added”	“disposed of” / “pullets added” ratio
2	Dec. 2010	343,085,000	338,944,000	102,216,000	6,922,000	13,589,000	7,451,000	23,982,000	16.31	14.31	21.30	18.68	0.88
3	Jan. 2011	342,269,000	338,944,000	102,216,000	6,922,000	14,674,000	7,759,000	21,925,000	15.26	15.61	19.97	20.44	1.02
4	Feb. 2011	339,791,000	338,944,000	102,216,000	6,922,000	14,695,000	9,082,000	22,271,000	14.29	15.26	18.85	20.12	1.07
5	Mar. 2011	340,785,000	338,944,000	102,216,000	6,922,000	13,838,000	6,978,000	25,776,000	16.37	13.22	21.53	17.38	0.81
6	Apr. 2011	340,802,000	338,944,000	102,216,000	6,922,000	13,853,000	11,818,000	21,758,000	13.28	15.66	17.45	20.59	1.18
7	May. 2011	337,708,000	338,944,000	102,216,000	6,922,000	15,232,000	9,141,000	23,519,000	13.86	14.36	18.38	19.05	1.04
8	Jun. 2011	335,865,000	338,944,000	102,216,000	6,922,000	13,296,000	8,235,000	22,797,000	15.60	14.73	20.81	19.66	0.94
9	Jul. 2011	335,704,000	338,944,000	102,216,000	6,922,000	15,028,000	8,800,000	22,037,000	14.09	15.23	18.80	20.33	1.08
10	Aug. 2011	335,423,000	338,944,000	102,216,000	6,922,000	13,506,000	7,442,000	21,716,000	16.01	15.45	21.39	20.63	0.96
11	Sep. 2011	335,620,000	338,944,000	102,216,000	6,922,000	15,504,000	6,382,000	23,377,000	15.33	14.36	20.47	19.17	0.94
12	Oct. 2011	336,309,000	338,944,000	102,216,000	6,922,000	14,506,000	5,886,000	21,683,000	16.49	15.51	21.97	20.67	0.94
13	Nov. 2011	338,336,000	338,944,000	102,216,000	6,922,000	12,453,000	6,999,000	20,933,000	17.39	16.16	23.04	21.41	0.93
14	Dec. 2011	338,974,000	345,730,000	103,023,000	6,817,000	13,386,000	8,856,000	23,955,000	15.24	14.15	20.48	19.02	0.93
15	Jan. 2012	338,802,000	345,730,000	103,023,000	6,817,000	13,555,000	8,526,000	22,342,000	15.34	15.16	20.63	20.39	0.99
16	Feb. 2012	338,936,000	345,730,000	103,023,000	6,817,000	13,565,000	7,208,000	23,452,000	16.32	14.45	21.93	19.43	0.89
17	Mar. 2012	340,538,000	345,730,000	103,023,000	6,817,000	13,190,000	6,318,000	23,912,000	17.46	14.24	23.35	19.05	0.82
18	Apr. 2012	340,959,000	345,730,000	103,023,000	6,817,000	14,249,000	8,859,000	21,857,000	14.76	15.60	19.71	20.84	1.06
19	May. 2012	340,305,000	345,730,000	103,023,000	6,817,000	14,964,000	8,592,000	26,161,000	14.45	13.01	19.34	17.41	0.90
20	Jun. 2012	338,415,000	345,730,000	103,023,000	6,817,000	15,558,000	8,531,000	24,429,000	14.05	13.85	18.91	18.65	0.99
21	Jul. 2012	336,660,000	345,730,000	103,023,000	6,817,000	14,659,000	7,507,000	20,021,000	15.19	16.82	20.55	22.75	1.11
22	Aug. 2012	337,131,000	345,730,000	103,023,000	6,817,000	14,793,000	7,758,000	25,890,000	14.95	13.02	20.20	17.60	0.87
23	Sep. 2012	338,891,000	345,730,000	103,023,000	6,817,000	14,362,000	6,784,000	22,863,000	16.03	14.82	21.54	19.93	0.92
24	Oct. 2012	341,894,000	345,730,000	103,023,000	6,817,000	12,800,000	6,275,000	23,128,000	17.92	14.78	23.88	19.70	0.82
25	Nov. 2012	344,875,000	345,730,000	103,023,000	6,817,000	12,432,000	5,418,000	20,843,000	19.32	16.55	25.52	21.86	0.86
26
27	Average	339,086,542	342,337,000	102,619,500	6,869,500	14,070,292	7,775,208	22,942,792	15.64	14.85	20.83	19.78	0.96
28	Days								475.63	451.58	633.73	601.69
29	Years								1.30	1.24	1.74	1.65
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