DHI YARDSTICK FOR 2004
Holstein RHAs, Dec 2003
Yearly Rolling Average		<15,000	15-15,999	16-16,999	17-17,999	18-18,999	19-19,999	20-20,999	21-21,999	22-22,999	23-23,999	24-24,999	25,000+
Number of Herds		143	106	166	194	246	304	277	246	246	189	142	217
Cows per Herd		48	62	68	64	68	80	91	108	106	145	120	168
% Cows in Milk		83	85	86	87	87	87	87	87	87	87	88	88
Average Days in Milk		211	203	205	200	194	192	191	190	189	188	190	187
Milk lb		13230	15502	16492	17535	18521	19505	20498	21513	22491	23468	24464	26572
% Fat		3.89	3.88	3.89	3.82	3.85	3.79	3.80	3.78	3.74	3.70	3.68	3.67
% Protein		3.09	3.09	3.09	3.07	3.07	3.07	3.06	3.05	3.05	3.04	3.03	3.03
SCC in thousands		560	475	452	434	413	389	365	357	363	337	343	298
SCC - Linear Score		3.9	3.7	3.6	3.5	3.4	3.4	3.3	3.2	3.2	3.1	3.1	3.0
* % SCC Positive		46	41	39	38	36	35	34	32	33	31	31	28
MLM lb		47	54	58	60	63	66	69	72	75	78	80	87
Average Sire PTA (Adjusted for Genetic Trend)
* Avg NM$, Service Sires		293	304	314	321	321	323	320	328	330	339	339	336
Avg NM$, 1st Lactation		200	199	207	219	224	230	233	236	238	238	244	248
Avg NM$, Other Cows		139	149	159	169	178	181	189	195	198	204	210	210
1st Lactation vs Other Cows
% of Herd, 1st Lactation		32	33	34	35	35	36	37	37	38	39	38	39
Avg Age at Freshening, 1st Lact		29	28	28	28	28	27	27	27	26	26	26	26
Avg Age at Freshening, Other Cows		62	60	59	59	58	57	56	55	55	55	54	53
* % Sire ID, 1st Lactation		39	53	53	62	64	70	75	77	81	82	86	85
* % Sire ID, Other Cows		43	57	56	66	66	72	76	77	80	82	85	83
* Average Peak lb, 1st Lactation		54	59	62	64	67	69	72	74	77	79	81	86
* Avg Peak lb, Other Cows		67	75	78	81	85	88	92	95	98	102	105	112
* Peak Ratio,1st Lact vs Other Cows		0.81	0.79	0.80	0.79	0.79	0.78	0.79	0.78	0.78	0.78	0.77	0.76
* % Leaving Herd, 1st Lactation		11	10	11	11	11	10	10	11	10	11	10	10
* % Leaving Herd, Other Cows		33	32	34	33	32	31	31	32	30	31	30	31
Days Dry Before Calving
Average Days Dry		72	69	70	67	66	65	65	64	64	64	63	62
* % Dry Less Than 40 Days		18	16	12	12	10	9	9	8	7	7	8	7
% Dry 40 to 70 Days		48	52	57	61	64	67	69	70	73	72	72	75
* % Dry More Than 70 Days		34	32	31	27	26	24	23	21	21	21	20	18
Reproduction
* Minimum Calving Interval, Months		17.1	16.5	16.0	15.5	15.2	15.0	15.0	14.8	14.9	14.7	14.8	14.5
Apparent Waiting Period		100	80	73	70	62	63	62	58	56	56	56	56
Average Days to 1st Breeding		170	156	139	128	119	116	112	106	105	100	101	95
Average Days Open		232	214	200	185	177	171	171	166	166	161	164	157
Conception Rate		58	53	53	53	50	50	47	45	43	43	43	42
* Heat Detection Index		37	37	34	36	40	40	49	43	44	46	45	47
*NOTE: Highlighted variables are those most closely related to production level. Individual herds may deviate drastically from averages on any variable indicating management differences.