NCDHIP Participation as of January 1, 1998

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

Table 1. Dairy cow enrollment in NCDHIP as of January 1, 1998, by test plan.¹

Plan code	Plan tag	Herds	Cows	Percentage of NCDHIP cows
00	DHI	4,455	690,348	15.5
01	DHI-AP-T	3,585	599,801	13.5
02	DHI-APCS	1,484	326,551	7.3
20	DHIR	2,072	206,735	4.6
21	DHIR-AP-T	1,378	145,652	3.3
22	DHIR-APCS	313	63,642	1.4
23	DHIR-AP	1,009	81,974	1.8
31	DHI-AP	12,791	1,194,285	26.9
33	DHI-MO	141	52,386	1.2
34	DHI-MO-AP	155	41,113	0.9
40	DHI-OS	3,157	185,999	4.2
41	DHI-OS-AP	4,917	301,854	6.8
42	DHI-OS-APCS	222	21,801	0.5
43	DHI-OS-MO	129	34,720	0.8
44	DHI-OS-MO-AP	117	23,299	0.5
45	DHI-OS-ACT	21	3,072	0.1
46	DHI-OS-AP-ACT	3	277	0.0
47	DHI-OS-TCT	12	964	0.0
48	DHI-OS-MO-TMW	2	137	0.0
60	DHI-Comm	71	23,145	0.5
61	DHI-Comm-AP	159	63,475	1.4
62	DHI-Comm-APCS	1	208	0.0
63	DHI-Comm-MO	10	4,392	0.1
64	DHI-Comm-MO-AP	5	1,786	0.0
70	DHI-SS	46	6,103	0.1
71	DHI-SS-AP	577	61,963	1.4
72	DHI-SS-APCS	11	1,917	0.0
73	DHI-SS-MO	57	18,334	0.4
74	DHI-SS-MO-AP	101	31,745	0.7
80	DHI-BASIC	1,916	258,776	5.8
98	OTHER DHI	3	6	0.0
	All plans	38,920	4,446,460	100.0

¹See Fact Sheet A-4. Plans 00 to 34 are designated as official; plans 40 to 98 are management plans.

Table 2. Dairy cow enrollment in NCDHIP test plans as of January 1, 1998, by breed.

	Ayrshire		Brown Swiss		Guernsey		Holstein
Test plan	Herds	Cows	Herds	Cows	Herds	Cows	Herds	Cows
DHI	43	1,879	40	1,798	51	2,695	3,895	648,892
DHI-AP-T	22	708	37	1,442	32	1,189	3,267	578,638
DHI-APCS	6	377	11	858	6	406	1,364	313,510
DHIR	19	928	87	4,243	58	2,601	1,625	172,577
DHIR-AP-T	27	1,138	68	2,785	23	1,183	1,056	119,877
DHIR-APCS	6	745	7	707	4	270	222	47,547
DHIR-AP	8	316	47	2,047	19	588	784	68,586
DHI-AP	69	2,518	75	2,727	93	3,720	11,425	1,108,589
DHI-MO	0	0	0	0	0	0	136	50,183
DHI-MO-AP	1	13	0	0	0	0	151	40,696
Other plans	18	736	29	952	73	2,710	10,819	999,358
All plans	219	9,358	401	17,559	359	15,362	34,744	4,148,453

	Jersey		Milking Shorthorn		Red & White		Mixed Breeds
	Herds	Cows	Herds	Cows	Herds	Cows	Herds	Cows
DHI	232	23,019	4	50	7	241	183	11,774
DHI-AP-T	116	9,607	1	14	9	389	101	7,814
DHI-APCS	45	5,789	0	0	3	328	49	5,283
DHIR	216	21,536	16	764	2	44	49	4,042
DHIR-AP-T	148	16,566	12	668	2	111	42	3,324
DHIR-APCS	57	12,339	1	80	0	0	16	1,954
DHIR-AP	102	7,021	11	469	1	25	37	2,922
DHI-AP	417	37,142	10	321	12	1,060	690	38,208
DHI-MO	0	0	0	0	0	0	5	2,203
DHI-MO-AP	0	0	0	0	0	0	3	404
Other plans	206	12,723	9	384	7	455	376	26,655
All plans	1,539	145,742	64	2,750	43	2,653	1,551	104,583

Table 3. Participation of dairy cows in NCDHIP mastitis screening as of January 1, 1998, by state.

State¹	Herds	Cows	Percentage of NCDHIP cows
Alabama	68	11,709	89
Alaska	1	50	38
Arizona	47	55,424	82
Arkansas	90	8,711	96
California	1,068	712,307	83
Colorado	81	30,739	76
Connecticut	106	11,955	78
Delaware	32	4,369	98
Florida	28	15,159	24
Georgia	156	31,748	56
Hawaii	2	699	24
Idaho	258	61,556	61
Illinois	797	60,937	99
Indiana	465	36,420	74
Iowa	1,639	115,844	99
Kansas	390	33,364	89
Kentucky	305	25,654	91
Louisiana	120	14,964	71
Maine	139	10,327	68
Maryland	492	41,918	99
Massachusetts	124	9,548	80
Michigan	1,272	132,342	94
Minnesota	4,468	306,204	96
Mississippi	83	14,271	90
Missouri	574	47,340	97
Montana	67	7,924	100
Nebraska	300	31,789	96
Nevada	23	9,662	100
New Hampshire	106	8,938	84
New Jersey	87	7,409	86
New Mexico	24	27,011	78
New York	2,495	246,689	77
North Carolina	229	35,332	79
North Dakota	91	7,406	89
Ohio	1,347	104,121	88
Oklahoma	142	17,282	94
Oregon	277	50,818	98
Pennsylvania	4,838	319,668	96
Puerto Rico	151	33,364	80
Rhode Island	7	513	100
South Carolina	80	14,526	79
South Dakota	343	27,525	90
Tennessee	280	32,122	82
Texas	273	99,027	53
Utah	272	46,959	90
Vermont	487	44,257	79
Virgin Islands	0	0	0
Virginia	548	69,445	93
Washington	288	70,688	78
West Virginia	83	8,477	100
Wisconsin	9,390	637,459	90
Wyoming	5	1,071	100
United States¹	35,038	3,753,041	84

¹Includes Puerto Rico and the Virgin Islands.

Table 4. Dairy cow enrollment in NCDHIP as of January 1, 1998, by state and category of test plan.

State¹	Official		Management		All plans		Percentage of cow population in NCDHIP
	Herds	Cows	Herds	Cows	Herds	Cows
Alabama	77	12,921	3	277	80	13,198	46
Alaska	0	0	2	130	2	130	14
Arizona	56	61,045	5	6,373	61	67,418	54
Arkansas	74	7,548	19	1,497	93	9,045	16
California	1,040	723,741	184	138,620	1,224	862,361	65
Colorado	76	30,399	28	10,180	104	40,579	48
Connecticut	125	14,853	5	395	130	15,248	51
Delaware	31	4,412	2	48	33	4,460	41
Florida	76	36,793	44	25,884	120	62,677	39
Georgia	191	45,621	50	11,044	241	56,665	59
Hawaii	1	289	6	2,572	7	2,861	33
Idaho	229	54,858	184	46,759	413	101,617	36
Illinois	678	54,385	125	7,069	803	61,454	42
Indiana	501	41,254	107	8,107	608	49,361	35
Iowa	1,330	98,005	317	18,976	1,647	116,981	48
Kansas	353	33,910	50	3,634	403	37,544	47
Kentucky	285	24,828	47	3,236	332	28,064	20
Louisiana	145	18,986	15	1,944	160	20,930	28
Maine	163	13,326	13	1,936	176	15,262	39
Maryland	468	40,412	26	1,939	494	42,351	49
Massachusetts	136	10,843	9	1,050	145	11,893	48
Michigan	1,055	119,367	262	20,845	1,317	140,212	47
Minnesota	3,422	248,054	1,216	72,066	4,638	320,120	56
Mississippi	81	14,147	15	1,727	96	15,874	36
Missouri	472	39,939	111	8,774	583	48,713	29
Montana	61	7,154	6	770	67	7,924	44
Nebraska	276	30,227	34	2,878	310	33,105	48
Nevada	22	9,476	1	186	23	9,662	37
New Hampshire	114	10,217	8	420	122	10,637	56
New Jersey	99	8,401	3	176	102	8,577	41
New Mexico	29	33,458	1	1,133	30	34,591	17
New York	2,611	282,927	444	37,749	3,055	320,676	46
North Carolina	245	38,148	34	6,678	279	44,826	60
North Dakota	77	6,631	22	1,653	99	8,284	17
Ohio	1,045	84,734	468	33,275	1,513	118,009	43
Oklahoma	134	14,203	23	4,273	157	18,476	19
Oregon	255	46,946	28	4,737	283	51,683	56
Pennsylvania	3,931	275,035	1,095	57,051	5,026	332,086	52
Puerto Rico	174	41,304	1	493	175	41,797	—²
Rhode Island	7	513	0	0	7	513	26
South Carolina	86	16,204	9	2,213	95	18,417	74
South Dakota	208	18,208	156	12,348	364	30,556	30

NCDHIP Participation as of January 1, 1998

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

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