USDA Summary of 1997 Herd Averages

G.R. Wiggans
Agricultural Research Service - USDA
Beltsville, Maryland

Table 1. Averages of NCDHIP cow herds by herd size, 1997.

Herd size cow-years<>(per herd)	Herds	Cow-years	Milk (lb)	Cow-years with fat data(%)	Fat (%)	Fat (lb)	Cow-years with protein data(%)	Protein (%)	Protein (lb)
5-24	1,411	23,431	15,722	100	4.01	631	100	3.34	525
25-49	9,755	384,106	17,750	100	3.81	676	99	3.22	572
50-74	10,591	642,901	18,626	99	3.78	704	99	3.22	600
75-99	5,386	459,943	18,963	98	3.75	713	98	3.23	614
100-149	4,559	545,718	19,092	96	3.73	718	96	3.23	621
150-199	1,706	292,668	19,159	93	3.72	720	93	3.24	626
200-299	1,356	326,626	19,528	92	3.70	733	90	3.24	639
300-399	613	211,220	19,890	90	3.67	745	85	3.23	654
400-499	330	147,051	20,230	92	3.63	746	81	3.21	663
500-749	454	273,574	20,570	89	3.63	758	76	3.23	680
750-999	269	232,037	20,894	91	3.58	756	66	3.21	690
1,000-1,499	228	273,698	21,247	94	3.59	770	70	3.21	687
1,500-1,999	92	157,645	21,476	94	3.55	771	65	3.19	696
2,000-2,999	52	123,687	21,883	92	3.56	787	63	3.16	718
3,000-3,999	16	55,038	21,622	94	3.51	751	58	3.15	682
4,000+	3	16,523	20,725	100	3.57	740	72	3.18	636
All herds	36,821	4,165,865	19,535	95	3.70	726	88	3.22	630

¹Herds with fewer than 5 cow-years not included in computing herd averages.

Table 2. Averages of NCDHIP cows herds by breed and category of test plan, 1997.

Category of test plan	Herds	Cow-years	Cow-years per herd	Milk (lb)	Cow-years with fat data (%)	Fat (%)	Fat (lb)	Cow-years with protein data (%)	Protein (%)	Protein (lb)
Ayrshire
Official	183	8,606	47	15,034	99	3.91	588	99	3.35	504
Management	16	589	37	11,623	100	4.18	486	100	3.36	391
All plans	199	9,195	46	14,815	100	3.92	581	100	3.35	496
Brown Swiss
Official	342	16,832	49	16,155	99	4.05	658	100	3.57	577
Management	27	999	37	13,960	100	4.18	584	100	3.55	495
All plans	369	17,831	48	16,032	99	4.06	654	100	3.57	572
Guernsey
Official	273	12,746	47	13,828	100	4.54	627	99	3.55	491
Management	75	2,725	36	13,184	100	4.49	591	98	3.49	459
All plans	348	15,471	44	13,714	100	4.53	621	99	3.54	486
Holstein
Official	23,581	3,109,856	132	20,210	97	3.63	738	89	3.20	648
Management	9,346	763,588	82	18,597	88	3.80	710	81	3.21	597
All plans	32,927	3,873,444	118	19,892	95	3.66	733	87	3.20	639
Jersey
Official	1,242	131,572	106	14,189	100	4.68	664	99	3.75	532
Management	182	11,100	61	12,390	94	4.76	592	92	3.75	467
All plans	1,424	142,672	100	14,049	99	4.69	659	99	3.75	528
Milking Shorthorn
Official	51	2,413	47	14,079	100	3.54	499	100	3.30	464
Management	9	354	39	13,744	100	3.84	528	100	3.25	447
All plans	60	2,767	46	14,036	100	3.58	502	100	3.29	462
Red and White
Official	34	2,259	66	19,005	100	3.71	704	100	3.23	615
Management	6	426	71	15,166	64	3.72	640	64	3.22	554
All plans	40	2,685	67	18,396	94	3.71	697	94	3.23	608
Mixed breeds
Official	1,099	76,294	69	15,957	96	3.85	617	96	3.32	530
Management	355	25,508	72	15,076	86	4.00	618	83	3.33	512
All plans	1,454	101,801	70	15,736	94	3.89	618	93	3.32	526
All breeds
Official	26,805	3,360,577	125	19,815	97	3.67	731	89	3.23	639
Management	10,016	805,289	80	18,366	88	3.82	705	81	3.22	591
All plans	36,821	4,165,865	113	19,535	95	3.70	726	88	3.22	630

Table 3. Averages of official NCDHIP cow herds by state, 1997.

State¹	Herds	Cow-years	Cow- years per herd	Milk (lb)	Cow-years with fat data (%)	Fat (%)	Fat (lb)	Cow-years with protein data (%)	Protein (%)	Protein (lb)
Alabama	72	12,645	176	16,004	88	3.67	592	88	3.27	527
Alaska	—	—	—	—	—	—	—	—	—	—
Arizona	53	57,311	1,081	21,173	100	3.57	756	99	3.15	668
Arkansas	70	7,167	102	15,912	100	3.51	558	100	3.25	518
California	1,007	717,753	713	20,972	100	3.63	761	65	3.25	684
Colorado	71	30,377	428	23,352	100	3.52	822	98	3.17	740
Connecticut	117	13,623	116	20,684	98	3.62	748	98	3.17	656
Delaware	31	4,466	144	20,241	100	3.68	745	100	3.23	654
Florida	73	35,891	492	18,171	30	3.42	677	30	3.16	625
Georgia	181	45,126	249	18,076	63	3.51	639	56	3.21	579
Hawaii	1	283	283	15,950	100	3.47	554	0	—	—
Idaho	222	53,606	241	21,007	100	3.60	756	100	3.29	691
Illinois	671	53,562	80	19,280	100	3.70	713	100	3.24	624
Indiana	481	40,053	83	18,880	99	3.68	695	99	3.25	615
Iowa	1,301	94,478	73	19,113	100	3.74	714	100	3.24	619
Kansas	341	33,272	98	19,398	90	3.69	693	90	3.22	606
Kentucky	271	24,283	90	16,662	94	3.65	608	94	3.27	545
Louisiana	139	18,365	132	14,634	72	3.51	523	72	3.27	487
Maine	153	12,824	84	19,760	97	3.75	735	97	3.24	636
Maryland	441	39,519	90	19,401	100	3.77	732	100	3.24	629
Massachusetts	130	10,504	81	19,236	99	3.80	731	99	3.25	625
Michigan	997	113,044	113	20,856	97	3.83	797	97	3.21	669
Minnesota	3,476	275,025	79	19,083	100	3.77	720	100	3.22	615
Mississippi	77	13,805	179	17,313	96	3.61	627	96	3.26	567
Missouri	455	39,528	87	17,166	100	3.66	629	100	3.25	558
Montana	59	7,125	121	20,041	100	3.50	702	100	3.20	642
Nebraska	266	28,992	109	19,422	100	3.65	710	100	3.25	631
Nevada	21	9,048	431	20,594	100	3.69	760	98	3.20	662
New Hampshire	109	9,855	90	20,877	100	3.78	788	100	3.24	677
New Jersey	99	8,371	85	19,344	100	3.70	716	100	3.23	625
New Mexico	29	34,206	1,180	21,425	100	3.41	730	94	3.13	674
New York	2,479	269,358	109	20,049	98	3.69	741	98	3.18	638
North Carolina	238	37,990	160	18,569	90	3.64	673	90	3.18	589
North Dakota	73	6,576	90	17,457	91	3.58	611	91	3.23	552
Ohio	993	83,675	84	19,487	100	3.72	725	100	3.26	636
Oklahoma	127	13,230	104	17,424	99	3.43	598	99	3.23	562
Oregon	243	48,545	200	20,539	100	3.78	777	100	3.31	680
Pennsylvania	3,742	264,439	71	19,674	100	3.64	717	100	3.21	632
Puerto Rico	158	36,476	231	10,126	52	2.99	286	87	3.12	317
Rhode Island	6	435	73	20,245	100	3.72	752	100	3.18	644
South Carolina	85	16,461	194	17,507	100	3.86	676	100	3.30	578
South Dakota	203	18,042	89	17,891	100	3.72	665	100	3.23	578
Tennessee	296	35,923	121	17,432	93	3.62	632	94	3.25	567
Texas	290	99,241	342	19,305	82	3.54	690	82	3.22	628
Utah	207	35,681	172	20,336	100	3.56	725	100	3.22	655
Vermont	490	46,703	95	19,210	94	3.80	729	94	3.24	623
Virgin Islands	—	—	—	—	—	—	—	—	—	—
Virginia	515	66,246	129	19,004	98	3.55	676	99	3.20	609
Washington	260	63,906	246	22,500	100	3.60	810	100	3.21	723
West Virginia	76	8,094	107	17,608	100	3.58	630	100	3.26	575

USDA Summary of 1997 Herd Averages

G.R. Wiggans Agricultural Research Service - USDA Beltsville, Maryland

G.R. Wiggans
Agricultural Research Service - USDA
Beltsville, Maryland