Summary of DHI Participation
DHI Report K-1 for 2002

DHI Participation 2002  
Table 1. Dairy Cow Enrollment in DHI as of January 1, 2003, by Test Plan.

Plan code Plan tag Herds Cows Percentage of DHI cows
00 DHI 2,358 636,460 15.0
01 DHI-AP-T 2,032 461,539 10.9
02 DHI-APCS 1,201 394,604 9.3
20 DHIR 1,257 159,139 3.8
21 DHIR-AP-T 896 139,824 3.3
22 DHIR-APCS 256 74,289 1.8
23 DHIR-AP 1,408 144,305 3.4
31 DHI-AP 11,393 1,479,101 34.9
33 DHI-MO 77 29,412 0.7
34 DHI-MO-AP 78 18,408 0.4
40 DHI-OS 1,688 115,823 2.7
41 DHI-OS-AP 3,830 275,483 6.5
42 DHI-OS-APCS 273 31,754 0.8
43 DHI-OS-MO 64 13,703 0.3
44 DHI-OS-MO-AP 54 12,412 0.3
45 DHI-OS-ACT 17 2,459 0.1
46 DHI-OS-AP-ACT 5 539 0.0
60 DHI-Comm 28 28,871 0.7
61 DHI-Comm-AP 129 62,784 1.5
63 DHI-Comm-MO 4 3,354 0.1
70 DHI-SS 28 7,780 0.2
71 DHI-SS-AP 436 87,187 2.1
72 DHI-SS-APCS 41 18,550 0.4
73 DHI-SS-MO 22 6,880 0.2
74 DHI-SS-MO-AP 70 19,461 0.5
80 DHI-BASIC 135 7,731 0.2
98 OTHER DHI 4 777 0.0
  All Plans 27,784 4,232,629 100.0 

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DHI Participation 2002  
Table 2. Dairy Cow Enrollment in DHI Test Plans as of January 1, 2003, by Breed.

  Ayrshire Brown Swiss Guernsey Holstein
Test plan Herds Cows Herds Cows Herds Cows Herds Cows
DHI 11 436 22 1,179 24 1,307 2,060 599,477
DHI-AP-T 9 340 13 602 12 355 1,843 435,950
DHI-APCS 3 228 9 543 4 227 1,100 377,932
DHIR 19 1,042 54 2,341 29 1,746 934 131,252
DHIR-AP-T 16 493 48 2,316 14 850 641 109,039
DHIR-APCS 2 585 3 467 5 203 194 58,905
DHIR-AP 28 1,405 69 3,725 22 729 1,014 113,691
DHI-AP 66 2,906 74 2,668 85 3,044 10,063 1,371,680
DHI-MO 0 0 0 0 0 0 72 27,716
DHI-MO-AP 0 0 0 0 0 0 75 17,964
Other plans 11 406 23 894 44 1,703 6,275 651,033
All Plans 165 7,841 315 14,735 239 10,164 24,271 3,894,639

 

 

  Jersey Milking Shorthorn Red and White Mixed
Test plan Herds Cows Herds Cows Herds Cows Herds Cows
DHI 137 25,207 0 0 1 30 103 8,824
DHI-AP-T 70 11,319 3 115 9 492 73 12,366
DHI-APCS 28 3,343 1 8 2 184 54 12,139
DHIR 164 18,646 13 707 2 21 42 3,384
DHIR-AP-T 125 22,787 5 389 0 0 49 3,950
DHIR-APCS 35 12,117 0 0 0 0 17 2,012
DHIR-AP 165 14,477 12 873 2 106 96 9,299
DHI-AP 398 47,330 13 326 14 837 683 50,310
DHI-MO 0 0 0 0 0 0 5 1,696
DHI-MO-AP 0 0 0 0 0 0 3 444
Other plans 154 17,686 5 312 5 216 312 23,298
All Plans 1,276 172,912 52 2,730 35 1,886 1,437 127,722 

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DHI Participation 2002  
Table 3. Participation of Dairy Cows in DHI Mastitis Screening as of
January 1, 2003, by State.

State Herds Cows Percentage of DHI cows
Alabama 34 6,050 81
Alaska 0 0 0
Arizona 44 61,285 72
Arkansas 60 8,046 96
California 1,034 877,998 96
Colorado 57 35,829 80
Connecticut 93 10,705 88
Delaware 34 3,865 89
Florida 33 27,935 44
Georgia 151 30,545 57
Hawaii 1 548 27
Idaho 191 127,551 99
Illinois 576 54,104 99
Indiana 437 40,979 89
Iowa 1,108 103,652 99
Kansas 272 46,637 95
Kentucky 240 23,006 94
Louisiana 87 11,566 75
Maine 122 10,549 76
Maryland 391 40,500 98
Massachusetts 100 9,740 91
Michigan 831 134,234 93
Minnesota 2,900 258,284 98
Mississippi 61 9,028 85
Missouri 446 40,503 99
Montana 55 8,357 100
Nebraska 207 29,732 98
Nevada 17 9,889 100
New Hampshire 97 9,380 94
New Jersey 64 6,336 95
New Mexico 31 56,706 99
New York 2,265 283,383 87
North Carolina 203 31,822 86
North Dakota 58 6,423 100
Ohio 991 100,229 92
Oklahoma 94 15,342 96
Oregon 258 71,284 100
Pennsylvania 4,418 318,032 94
Puerto Rico 151 36,669 88
Rhode Island 5 334 82
South Carolina 71 13,730 92
South Dakota 200 24,702 96
Tennessee 222 26,611 87
Texas 203 101,182 85
Utah 192 40,917 99
Vermont 414 49,994 86
Virgin Islands 0 0 0
Virginia 484 67,323 95
Washington 235 70,666 98
West Virginia 56 6,447 97
Wisconsin 6,472 573,914 99
Wyoming 3 770 100
United States 26,769 3,933,313 93 

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DHI Participation 2002  
Table 4. Dairy Cow Enrollment in DHI as of January 1, 2003, by State
and Test Plan Category.

  Official Management All Plans  
State Herds Cows Herds Cows Herds Cows Percentage of cow population in DHI
Alabama 39 7,195 3 273 42 7,468 37
Alaska 0 0 1 87 1 87 7
Arizona 53 79,765 3 5,747 56 85,512 57
Arkansas 55 6,473 8 1,883 63 8,356 26
California 978 851,724 85 62,593 1,063 914,317 55
Colorado 58 39,109 10 5,484 68 44,593 44
Connecticut 103 11,996 3 151 106 12,147 51
Delaware 28 4,124 8 227 36 4,351 48
Florida 47 30,062 48 32,980 95 63,042 42
Georgia 165 42,381 52 10,861 217 53,242 63
Hawaii 0 0 3 2,027 3 2,027 31
Idaho 175 117,031 22 12,006 197 129,037 33
Illinois 482 45,980 97 8,798 579 54,778 48
Indiana 358 39,394 91 6,807 449 46,201 31
Iowa 919 89,127 196 15,571 1,115 104,698 50
Kansas 233 35,862 45 13,193 278 49,055 47
Kentucky 204 20,112 56 4,376 260 24,488 20
Louisiana 104 14,225 7 1,207 111 15,432 31
Maine 134 12,130 8 1,660 142 13,790 37
Maryland 373 39,630 21 1,491 394 41,121 51
Massachusetts 102 9,572 6 1,181 108 10,753 54
Michigan 726 123,932 130 20,829 856 144,761 48
Minnesota 2,309 219,303 623 43,279 2,932 262,582 54
Mississippi 58 9,121 10 1,468 68 10,589 31
Missouri 345 33,034 103 8,081 448 41,115 30
Montana 49 7,606 6 751 55 8,357 46
Nebraska 186 27,021 25 3,301 211 30,322 45
Nevada 17 9,889 0 0 17 9,889 40
New Hampshire 93 9,664 8 361 101 10,025 59
New Jersey 68 6,581 1 73 69 6,654 51
New Mexico 31 54,470 2 2,746 33 57,216 19
New York 2,186 294,964 306 31,729 2,492 326,693 48
North Carolina 199 32,390 27 4,567 226 36,957 58
North Dakota 44 5,267 14 1,156 58 6,423 16
Ohio 802 86,499 230 21,934 1,032 108,433 41
Oklahoma 69 8,276 31 7,626 100 15,902 18
Oregon 243 53,356 15 17,928 258 71,284 61
Pennsylvania 3,262 271,936 1,219 67,441 4,481 339,377 58
Puerto Rico 170 41,304 1 252 171 41,556
Rhode Island 6 406 0 0 6 406 29
South Carolina 72 13,917 5 999 77 14,916 75
South Dakota 127 16,569 83 9,102 210 25,671 27
Tennessee 223 27,163 23 3,389 246 30,552 35
Texas 184 88,682 55 30,436 239 119,118 39
Utah 169 36,953 25 4,286 194 41,239 44
Vermont 393 49,548 70 8,877 463 58,425 38
Virgin Islands 0 0 4 497 4 497
Virginia 431 60,619 77 9,971 508 70,590 59
Washington 214 66,481 27 5,523 241 72,004 29
West Virginia 57 6,631 0 0 57 6,631 44
Wisconsin 3,611 379,358 2,934 199,822 6,545 579,180 46
Wyoming 1 232 2 538 3 770 18
United States 20,955 3,537,064 6,829 695,565 27,784 4,232,629 46 

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Table 4. Dairy Cow Enrollment in DHI as of January 1, 2003, by State
and Test Plan Category for Ayrshire.

  Official Management All Plans
State Herds Cows Herds Cows Herds Cows
Colorado 1 76 1 76
Connecticut 1 89 1 89
Illinois 5 232 5 232
Indiana 2 115 2 115
Iowa 13 758 13 758
Kansas 3 157 3 157
Kentucky 1 98 1 98
Maine 3 192 3 192
Maryland 7 407 7 407
Minnesota 5 189 5 189
Missouri 1 31 1 31
Nebraska 1 147 1 147
New Hampshire 4 183 4 183
New Jersey 1 45 1 45
New Mexico 1 457 1 457
New York 29 1,140 1 43 30 1,183
North Carolina