| Table 1. Dairy cow enrollment in DHI as of January 1, 2010, by test plan |
| Plan code | Plan tag | Herds | Cows | Percentage of DHI cows |
| 00 | DHI | 1,000 | 537,801 | 12.6 |
| 01 | DHI-AP-T | 411 | 89,203 | 2.1 |
| 02 | DHI-APCS | 847 | 457,629 | 10.8 |
| 20 | DHIR | 702 | 101,761 | 2.4 |
| 21 | DHIR-AP-T | 340 | 49,700 | 1.2 |
| 22 | DHIR-APCS | 241 | 87,470 | 2.1 |
| 23 | DHIR-AP | 2,071 | 257,747 | 6.1 |
| 31 | DHI-AP | 9,640 | 2,052,859 | 48.2 |
| 33 | DHI-MO | 24 | 9,886 | 0.2 |
| 34 | DHI-MO-AP | 55 | 21,855 | 0.5 |
| 40 | DHI-OS | 937 | 70,346 | 1.7 |
| 41 | DHI-OS-AP | 3,385 | 246,952 | 5.8 |
| 42 | DHI-OS-APCS | 244 | 36,907 | 0.9 |
| 43 | DHI-OS-MO | 45 | 9,986 | 0.2 |
| 44 | DHI-OS-MO-AP | 24 | 8,846 | 0.2 |
| 45 | DHI-OS-AC | 5 | 2,883 | 0.1 |
| 46 | DHI-OS-AP-AC | 1 | 113 | 0.0 |
| 60 | DHI-Comm | 22 | 15,391 | 0.4 |
| 61 | DHI-Comm-AP | 48 | 40,743 | 1.0 |
| 62 | DHI-Comm-APCS | 1 | 5,538 | 0.1 |
| 63 | DHI-Comm-MO | 2 | 1,135 | 0.0 |
| 70 | DHI-SS | 17 | 10,392 | 0.2 |
| 71 | DHI-SS-AP | 474 | 105,302 | 2.5 |
| 72 | DHI-SS-APCS | 32 | 23,811 | 0.6 |
| 73 | DHI-SS-MO | 7 | 1,639 | 0.0 |
| 74 | DHI-SS-MO-AP | 30 | 9,876 | 0.2 |
| 80 | DHI-BASIC | 3 | 178 | 0.0 |
| 90 | 90 | 1 | 1 | 0.0 |
| All Plans | 20,609 | 4,255,950 | 100.0 |
Return to the AIPL Home page |
| Table 2. Dairy cow enrollment in DHI test plans as of January 1, 2010, by breed |
| Ayrshire | Brown Swiss | Guernsey | Holstein | |||||
| Test plan | Herds | Cows | Herds | Cows | Herds | Cows | Herds | Cows |
| DHI | 2 | 50 | 3 | 186 | 6 | 179 | 866 | 493,990 |
| DHI-AP-T | 1 | 45 | 0 | 0 | 0 | 0 | 352 | 77,453 |
| DHI-APCS | 0 | 0 | 2 | 37 | 0 | 0 | 768 | 414,872 |
| DHIR | 11 | 464 | 24 | 1,238 | 12 | 511 | 503 | 81,092 |
| DHIR-AP-T | 4 | 269 | 13 | 1,039 | 5 | 226 | 236 | 34,922 |
| DHIR-APCS | 1 | 409 | 5 | 410 | 3 | 111 | 162 | 71,571 |
| DHIR-AP | 31 | 1,608 | 90 | 5,759 | 55 | 3,110 | 1,388 | 189,472 |
| DHI-AP | 42 | 1,681 | 53 | 2,793 | 30 | 1,229 | 8,364 | 1,808,414 |
| DHI-MO | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 8,079 |
| DHI-MO-AP | 0 | 0 | 0 | 0 | 0 | 0 | 50 | 20,986 |
| Other plans | 7 | 339 | 12 | 624 | 15 | 538 | 4,733 | 528,656 |
| All Plans | 99 | 4,865 | 202 | 12,086 | 126 | 5,904 | 17,441 | 3,729,507 |
| Jersey | Milking Shorthorn | Red and White | Mixed | |||||
| Test plan | Herds | Cows | Herds | Cows | Herds | Cows | Herds | Cows |
| DHI | 57 | 24,863 | 0 | 0 | 0 | 0 | 66 | 18,533 |
| DHI-AP-T | 15 | 1,899 | 0 | 0 | 0 | 0 | 43 | 9,806 |
| DHI-APCS | 22 | 12,005 | 0 | 0 | 0 | 0 | 55 | 30,715 |
| DHIR | 109 | 13,308 | 5 | 124 | 0 | 0 | 38 | 5,024 |
| DHIR-AP-T | 52 | 9,437 | 2 | 23 | 3 | 227 | 25 | 3,557 |
| DHIR-APCS | 45 | 10,575 | 0 | 0 | 0 | 0 | 25 | 4,394 |
| DHIR-AP | 264 | 31,490 | 19 | 1,037 | 1 | 111 | 223 | 25,160 |
| DHI-AP | 320 | 108,519 | 5 | 174 | 8 | 458 | 818 | 129,591 |
| DHI-MO | 2 | 281 | 0 | 0 | 0 | 0 | 3 | 1,526 |
| DHI-MO-AP | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 869 |
| Other plans | 134 | 8,042 | 1 | 103 | 3 | 203 | 373 | 51,534 |
| All Plans | 1,020 | 220,419 | 32 | 1,461 | 15 | 999 | 1,674 | 280,709 |
Return to the AIPL Home page |
| Table 3. Participation of dairy cows in DHI mastitis screening as of January 1, 2010, by State |
| State | Herds | Cows | Percentage of DHI cows |
| Alabama | 22 | 3,623 | 88 |
| Arizona | 22 | 47,885 | 97 |
| Arkansas | 23 | 3,910 | 98 |
| California | 830 | 960,802 | 100 |
| Colorado | 35 | 34,755 | 83 |
| Connecticut | 70 | 9,982 | 91 |
| Delaware | 27 | 3,370 | 95 |
| Florida | 17 | 18,078 | 37 |
| Georgia | 90 | 21,202 | 52 |
| Idaho | 156 | 192,462 | 96 |
| Illinois | 395 | 46,632 | 99 |
| Indiana | 333 | 40,616 | 89 |
| Iowa | 761 | 127,250 | 98 |
| Kansas | 175 | 22,879 | 93 |
| Kentucky | 198 | 24,097 | 97 |
| Louisiana | 37 | 6,118 | 76 |
| Maine | 116 | 12,043 | 85 |
| Maryland | 289 | 33,509 | 99 |
| Massachusetts | 74 | 6,447 | 96 |
| Michigan | 629 | 144,221 | 87 |
| Minnesota | 2,051 | 250,179 | 99 |
| Mississippi | 31 | 6,007 | 92 |
| Missouri | 301 | 36,609 | 100 |
| Montana | 26 | 5,506 | 96 |
| Nebraska | 119 | 23,822 | 87 |
| Nevada | 14 | 9,658 | 100 |
| New Hampshire | 79 | 9,934 | 98 |
| New Jersey | 45 | 3,882 | 91 |
| New Mexico | 23 | 70,993 | 89 |
| New York | 1,673 | 293,168 | 90 |
| North Carolina | 125 | 23,045 | 89 |
| North Dakota | 33 | 5,919 | 81 |
| Ohio | 754 | 111,580 | 97 |
| Oklahoma | 58 | 7,907 | 93 |
| Oregon | 186 | 51,703 | 83 |
| Pennsylvania | 3,988 | 323,274 | 95 |
| Puerto Rico | 105 | 22,962 | 96 |
| Rhode Island | 9 | 530 | 100 |
| South Carolina | 46 | 10,395 | 92 |
| South Dakota | 119 | 34,832 | 94 |
| Tennessee | 122 | 15,633 | 88 |
| Texas | 124 | 82,845 | 73 |
| Utah | 116 | 41,591 | 100 |
| Vermont | 321 | 45,589 | 91 |
| Virginia | 348 | 54,586 | 92 |
| Washington | 176 | 64,396 | 96 |
| West Virginia | 33 | 3,878 | 96 |
| Wisconsin | 4,726 | 623,408 | 97 |
| Wyoming | 2 | 725 | 100 |
| United States | 20,052 | 3,994,437 | 94 |
Return to the AIPL Home page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
| Official | Management | All Plans | |||||
| State | Herds | Cows | Herds | Cows | Herds | Cows | Percentage of cow population in DHI |
| Alabama | 23 | 3,852 | 2 | 286 | 25 | 4,138 | 38 |
| Arizona | 21 | 40,966 | 2 | 8,481 | 23 | 49,447 | 30 |
| Arkansas | 20 | 3,366 | 4 | 641 | 24 | 4,007 | 31 |
| California | 781 | 912,651 | 53 | 52,023 | 834 | 964,674 | 55 |
| Colorado | 32 | 37,802 | 7 | 3,974 | 39 | 41,776 | 36 |
| Connecticut | 75 | 10,924 | 1 | 57 | 76 | 10,981 | 61 |
| Delaware | 19 | 3,268 | 9 | 264 | 28 | 3,532 | 59 |
| Florida | 34 | 31,567 | 25 | 16,992 | 59 | 48,559 | 43 |
| Georgia | 109 | 34,121 | 27 | 6,668 | 136 | 40,789 | 54 |
| Hawaii | |||||||
| Idaho | 146 | 186,737 | 12 | 14,383 | 158 | 201,120 | 37 |
| Illinois | 337 | 42,694 | 61 | 4,207 | 398 | 46,901 | 46 |
| Indiana | 258 | 40,129 | 80 | 5,493 | 338 | 45,622 | 27 |
| Iowa | 634 | 105,738 | 134 | 23,690 | 768 | 129,428 | 60 |
| Kansas | 141 | 19,324 | 38 | 5,346 | 179 | 24,670 | 22 |
| Kentucky | 114 | 13,523 | 92 | 11,265 | 206 | 24,788 | 31 |
| Louisiana | 43 | 7,529 | 4 | 529 | 47 | 8,058 | 38 |
| Maine | 121 | 12,691 | 5 | 1,559 | 126 | 14,250 | 43 |
| Maryland | 271 | 31,544 | 22 | 2,228 | 293 | 33,772 | 63 |
| Massachusetts | 72 | 6,371 | 5 | 341 | 77 | 6,712 | 52 |
| Michigan | 563 | 144,976 | 91 | 19,851 | 654 | 164,827 | 47 |
| Minnesota | 1,680 | 221,298 | 377 | 30,857 | 2,057 | 252,155 | 54 |
| Mississippi | 27 | 5,251 | 6 | 1,293 | 33 | 6,544 | 38 |
| Missouri | 207 | 22,910 | 95 | 13,859 | 302 | 36,769 | 35 |
| Montana | 23 | 4,591 | 4 | 1,163 | 27 | 5,754 | 38 |
| Nebraska | 101 | 23,593 | 23 | 3,750 | 124 | 27,343 | 46 |
| Nevada | 13 | 9,183 | 1 | 475 | 14 | 9,658 | 34 |
| New Hampshire | 77 | 9,992 | 3 | 154 | 80 | 10,146 | 68 |
| New Jersey | 45 | 4,188 | 1 | 67 | 46 | 4,255 | 50 |
| New Mexico | 25 | 77,828 | 1 | 1,686 | 26 | 79,514 | 25 |
| New York | 1,552 | 307,394 | 236 | 17,880 | 1,788 | 325,274 | 53 |
| North Carolina | 119 | 21,947 | 16 | 4,034 | 135 | 25,981 | 59 |
| North Dakota | 28 | 4,991 | 9 | 2,292 | 37 | 7,283 | 35 |
| Ohio | 590 | 93,677 | 184 | 21,758 | 774 | 115,435 | 42 |
| Oklahoma | 36 | 4,893 | 26 | 3,632 | 62 | 8,525 | 15 |
| Oregon | 185 | 62,294 | 2 | 49 | 187 | 62,343 | 55 |
| Pennsylvania | 2,480 | 250,859 | 1,549 | 90,780 | 4,029 | 341,639 | 64 |
| Puerto Rico | 109 | 23,758 | 1 | 233 | 110 | 23,991 | |
| Rhode Island | 8 | 456 | 1 | 74 | 9 | 530 | 48 |
| South Carolina | 49 | 10,106 | 4 | 1,196 | 53 | 11,302 | 65 |
| South Dakota | 77 | 19,651 | 45 | 17,253 | 122 | 36,904 | 40 |
| Tennessee | 123 | 16,075 | 11 | 1,754 | 134 | 17,829 | 33 |
| Texas | 126 | 91,255 | 30 | 22,334 | 156 | 113,589 | 28 |
| Utah | 105 | 39,727 | 12 | 2,072 | 117 | 41,799 | 50 |
| Vermont | 282 | 43,212 | 61 | 7,158 | 343 | 50,370 | 38 |
| Virginia | 304 | 50,908 | 59 | 8,141 | 363 | 59,049 | 62 |
| Washington | 165 | 63,942 | 17 | 3,476 | 182 | 67,418 | 28 |
| West Virginia | 34 | 4,053 | 0 | 0 | 34 | 4,053 | 41 |
| Wisconsin | 2,946 | 487,552 | 1,829 | 154,170 | 4,775 | 641,722 | 51 |
| Wyoming | 1 | 554 | 1 | 171 | 2 | 725 | 12 |
| United States | 15,331 | 3,665,911 | 5,278 | 590,039 | 20,609 | 4,255,950 | 47 |
Return to the AIPL Home page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Ayrshire
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Connecticut | 1 | 98 | 1 | 98 | ||
| Illinois | 3 | 169 | 3 | 169 | ||
| Indiana | 1 | 46 | 1 | 46 | ||
| Iowa | 6 | 464 | 6 | 464 | ||
| Kansas | 1 | 39 | 1 | 39 | ||
| Maine | 4 | 211 | 4 | 211 | ||
| Maryland | 5 | 239 | 5 | 239 | ||
| Massachusetts | 2 | 51 | 2 | 51 | ||
| Michigan | 2 | 91 | 2 | 91 | ||
| Minnesota | 6 | 256 | 6 | 256 | ||
| Missouri | 1 | 12 | 1 | 36 | 2 | 48 |
| New Hampshire | 2 | 155 | 2 | 155 | ||
| New Mexico | 1 | 409 | 1 | 409 | ||
| New York | 17 | 678 | 2 | 99 | 19 | 777 |
| Ohio | 9 | 393 | 9 | 393 | ||
| Oklahoma | 1 | 65 | 1 | 65 | ||
| Oregon | 2 | 30 | 2 | 30 | ||
| Pennsylvania | 7 | 317 | 7 | 317 | ||
| Rhode Island | 1 | 74 | 1 | 74 | ||
| Vermont | 6 | 271 | 6 | 271 | ||
| Washington | 2 | 99 | 2 | 99 | ||
| West Virginia | 1 | 51 | 1 | 51 | ||
| Wisconsin | 14 | 473 | 1 | 39 | 15 | 512 |
| United States | 92 | 4,526 | 7 | 339 | 99 | 4,865 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Brown Swiss
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Alabama | 1 | 77 | 1 | 77 | ||
| California | 9 | 222 | 9 | 222 | ||
| Idaho | 1 | 76 | 1 | 76 | 2 | 152 |
| Illinois | 8 | 361 | 8 | 361 | ||
| Indiana | 8 | 600 | 1 | 50 | 9 | 650 |
| Iowa | 16 | 1,162 | 1 | 27 | 17 | 1,189 |
| Kansas | 3 | 237 | 3 | 237 | ||
| Kentucky | 1 | 48 | 1 | 48 | ||
| Louisiana | 1 | 132 | 1 | 132 | ||
| Maine | 1 | 13 | 1 | 13 | ||
| Maryland | 9 | 274 | 9 | 274 | ||
| Massachusetts | 2 | 156 | 2 | 156 | ||
| Michigan | 2 | 276 | 2 | 276 | ||
| Minnesota | 15 | 1,240 | 1 | 101 | 16 | 1,341 |
| Missouri | 5 | 402 | 2 | 129 | 7 | 531 |
| Montana | 1 | 105 | 1 | 105 | ||
| Nebraska | 1 | 41 | 1 | 41 | ||
| New Hampshire | 1 | 9 | 1 | 9 | ||
| New York | 12 | 745 | 12 | 745 | ||
| North Carolina | 1 | 67 | 1 | 67 | ||
| North Dakota | 1 | 31 | 1 | 31 | ||
| Ohio | 12 | 868 | 12 | 868 | ||
| Oregon | 6 | 288 | 6 | 288 | ||
| Pennsylvania | 8 | 374 | 8 | 374 | ||
| South Dakota | 2 | 167 | 2 | 167 | ||
| Tennessee | 1 | 249 | 1 | 249 | ||
| Texas | 1 | 190 | 1 | 190 | ||
| Utah | 1 | 10 | 1 | 114 | 2 | 124 |
| Vermont | 1 | 109 | 1 | 109 | ||
| Virginia | 2 | 46 | 2 | 46 | ||
| Washington | 4 | 206 | 1 | 3 | 5 | 209 |
| Wisconsin | 53 | 2,681 | 4 | 124 | 57 | 2,805 |
| United States | 190 | 11,462 | 12 | 624 | 202 | 12,086 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Guernsey
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Arizona | 1 | 15 | 1 | 15 | ||
| California | 6 | 415 | 6 | 415 | ||
| Connecticut | 1 | 23 | 1 | 23 | ||
| Illinois | 2 | 68 | 2 | 68 | ||
| Indiana | 5 | 153 | 5 | 153 | ||
| Iowa | 8 | 620 | 8 | 620 | ||
| Kansas | 1 | 65 | 1 | 65 | ||
| Maine | 1 | 41 | 1 | 41 | ||
| Maryland | 3 | 99 | 3 | 99 | ||
| Massachusetts | 1 | 30 | 1 | 30 | ||
| Minnesota | 10 | 292 | 10 | 292 | ||
| Missouri | 5 | 386 | 5 | 386 | ||
| Nebraska | 1 | 76 | 1 | 76 | ||
| New York | 4 | 172 | 1 | 43 | 5 | 215 |
| Ohio | 8 | 238 | 1 | 92 | 9 | 330 |
| Oregon | 6 | 251 | 6 | 251 | ||
| Pennsylvania | 17 | 729 | 1 | 5 | 18 | 734 |
| Rhode Island | 1 | 10 | 1 | 10 | ||
| Vermont | 1 | 50 | 1 | 50 | ||
| Virginia | 1 | 80 | 1 | 80 | ||
| Washington | 5 | 143 | 5 | 143 | ||
| West Virginia | 1 | 46 | 1 | 46 | ||
| Wisconsin | 23 | 1,414 | 11 | 348 | 34 | 1,762 |
| United States | 111 | 5,366 | 15 | 538 | 126 | 5,904 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Holstein
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Alabama | 10 | 1,315 | 2 | 286 | 12 | 1,601 |
| Arizona | 13 | 32,840 | 2 | 8,481 | 15 | 41,321 |
| Arkansas | 15 | 2,131 | 2 | 256 | 17 | 2,387 |
| California | 619 | 785,813 | 39 | 45,389 | 658 | 831,202 |
| Colorado | 29 | 35,928 | 7 | 3,974 | 36 | 39,902 |
| Connecticut | 52 | 9,380 | 1 | 57 | 53 | 9,437 |
| Delaware | 15 | 2,945 | 8 | 235 | 23 | 3,180 |
| Florida | 31 | 30,034 | 20 | 13,582 | 51 | 43,616 |
| Georgia | 94 | 30,394 | 24 | 6,295 | 118 | 36,689 |
| Idaho | 119 | 165,710 | 10 | 14,269 | 129 | 179,979 |
| Illinois | 276 | 37,946 | 55 | 3,673 | 331 | 41,619 |
| Indiana | 204 | 36,709 | 56 | 4,137 | 260 | 40,846 |
| Iowa | 497 | 84,006 | 114 | 20,963 | 611 | 104,969 |
| Kansas | 107 | 16,045 | 30 | 4,377 | 137 | 20,422 |
| Kentucky | 90 | 11,220 | 86 | 10,729 | 176 | 21,949 |
| Louisiana | 31 | 5,208 | 2 | 418 | 33 | 5,626 |
| Maine | 86 | 10,190 | 5 | 1,559 | 91 | 11,749 |
| Maryland | 211 | 27,009 | 18 | 2,070 | 229 | 29,079 |
| Massachusetts | 46 | 4,920 | 3 | 286 | 49 | 5,206 |
| Michigan | 506 | 137,541 | 75 | 14,454 | 581 | 151,995 |
| Minnesota | 1,473 | 202,155 | 338 | 27,734 | 1,811 | 229,889 |
| Mississippi | 17 | 3,681 | 5 | 1,130 | 22 | 4,811 |
| Missouri | 148 | 16,949 | 72 | 9,837 | 220 | 26,786 |
| Montana | 22 | 4,486 | 4 | 1,163 | 26 | 5,649 |
| Nebraska | 83 | 20,676 | 21 | 3,563 | 104 | 24,239 |
| Nevada | 11 | 8,212 | 11 | 8,212 | ||
| New Hampshire | 57 | 8,680 | 2 | 119 | 59 | 8,799 |
| New Jersey | 41 | 3,911 | 1 | 67 | 42 | 3,978 |
| New Mexico | 21 | 65,964 | 1 | 1,686 | 22 | 67,650 |
| New York | 1,334 | 286,151 | 218 | 17,007 | 1,552 | 303,158 |
| North Carolina | 92 | 18,204 | 15 | 4,009 | 107 | 22,213 |
| North Dakota | 22 | 4,588 | 7 | 2,079 | 29 | 6,667 |
| Ohio | 443 | 77,910 | 161 | 19,385 | 604 | 97,295 |
| Oklahoma | 20 | 3,359 | 21 | 3,143 | 41 | 6,502 |
| Oregon | 91 | 34,088 | 1 | 3 | 92 | 34,091 |
| Pennsylvania | 2,160 | 226,476 | 1,458 | 85,907 | 3,618 | 312,383 |
| Puerto Rico | 90 | 20,608 | 1 | 233 | 91 | 20,841 |
| Rhode Island | 3 | 214 | 3 | 214 | ||
| South Carolina | 26 | 6,038 | 3 | 1,088 | 29 | 7,126 |
| South Dakota | 64 | 17,730 | 40 | 13,174 | 104 | 30,904 |
| Tennessee | 87 | 12,547 | 11 | 1,754 | 98 | 14,301 |
| Texas | 98 | 52,640 | 20 | 17,293 | 118 | 69,933 |
| Utah | 86 | 36,635 | 9 | 1,670 | 95 | 38,305 |
| Vermont | 190 | 37,288 | 38 | 5,534 | 228 | 42,822 |
| Virginia | 267 | 46,536 | 53 | 7,288 | 320 | 53,824 |
| Washington | 114 | 57,243 | 15 | 3,035 | 129 | 60,278 |
| West Virginia | 23 | 2,720 | 23 | 2,720 | ||
| Wisconsin | 2,573 | 457,324 | 1,658 | 145,094 | 4,231 | 602,418 |
| Wyoming | 1 | 554 | 1 | 171 | 2 | 725 |
| United States | 12,708 | 3,200,851 | 4,733 | 528,656 | 17,441 | 3,729,507 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Jersey
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Alabama | 8 | 1,925 | 8 | 1,925 | ||
| Arizona | 4 | 4,416 | 4 | 4,416 | ||
| California | 87 | 74,483 | 6 | 1,322 | 93 | 75,805 |
| Colorado | 2 | 447 | 2 | 447 | ||
| Connecticut | 7 | 268 | 7 | 268 | ||
| Florida | 1 | 152 | 1 | 152 | ||
| Georgia | 4 | 866 | 4 | 866 | ||
| Idaho | 16 | 10,758 | 16 | 10,758 | ||
| Illinois | 22 | 1,828 | 1 | 155 | 23 | 1,983 |
| Indiana | 17 | 1,055 | 2 | 57 | 19 | 1,112 |
| Iowa | 24 | 7,712 | 1 | 30 | 25 | 7,742 |
| Kansas | 13 | 1,249 | 3 | 175 | 16 | 1,424 |
| Kentucky | 12 | 1,197 | 1 | 71 | 13 | 1,268 |
| Maine | 9 | 714 | 9 | 714 | ||
| Maryland | 18 | 1,053 | 1 | 30 | 19 | 1,083 |
| Massachusetts | 10 | 737 | 1 | 17 | 11 | 754 |
| Michigan | 16 | 1,281 | 3 | 130 | 19 | 1,411 |
| Minnesota | 32 | 3,873 | 5 | 200 | 37 | 4,073 |
| Mississippi | 4 | 411 | 4 | 411 | ||
| Missouri | 19 | 2,017 | 1 | 71 | 20 | 2,088 |
| Nebraska | 3 | 411 | 3 | 411 | ||
| Nevada | 2 | 971 | 2 | 971 | ||
| New Hampshire | 8 | 719 | 1 | 35 | 9 | 754 |
| New Mexico | 2 | 9,009 | 2 | 9,009 | ||
| New York | 56 | 4,640 | 7 | 328 | 63 | 4,968 |
| North Carolina | 14 | 2,262 | 1 | 25 | 15 | 2,287 |
| North Dakota | 1 | 31 | 1 | 34 | 2 | 65 |
| Ohio | 63 | 8,615 | 13 | 837 | 76 | 9,452 |
| Oklahoma | 5 | 659 | 5 | 659 | ||
| Oregon | 52 | 23,182 | 52 | 23,182 | ||
| Pennsylvania | 102 | 8,659 | 37 | 1,503 | 139 | 10,162 |
| Puerto Rico | 1 | 132 | 1 | 132 | ||
| Rhode Island | 1 | 31 | 1 | 31 | ||
| South Carolina | 12 | 2,474 | 1 | 108 | 13 | 2,582 |
| South Dakota | 5 | 722 | 1 | 186 | 6 | 908 |
| Tennessee | 21 | 2,072 | 21 | 2,072 | ||
| Texas | 14 | 12,724 | 2 | 430 | 16 | 13,154 |
| Utah | 10 | 1,050 | 1 | 107 | 11 | 1,157 |
| Vermont | 50 | 2,999 | 11 | 933 | 61 | 3,932 |
| Virginia | 7 | 1,115 | 7 | 1,115 | ||
| Washington | 26 | 3,016 | 26 | 3,016 | ||
| West Virginia | 2 | 338 | 2 | 338 | ||
| Wisconsin | 104 | 10,104 | 33 | 1,258 | 137 | 11,362 |
| United States | 886 | 212,377 | 134 | 8,042 | 1,020 | 220,419 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Milking Shorthorn
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| California | 1 | 183 | 1 | 183 | ||
| Illinois | 1 | 26 | 1 | 26 | ||
| Iowa | 1 | 54 | 1 | 54 | ||
| Kansas | 1 | 15 | 1 | 15 | ||
| Maine | 1 | 42 | 1 | 42 | ||
| Massachusetts | 1 | 3 | 1 | 3 | ||
| Minnesota | 3 | 157 | 3 | 157 | ||
| Missouri | 1 | 129 | 1 | 129 | ||
| New York | 1 | 22 | 1 | 22 | ||
| Ohio | 3 | 48 | 3 | 48 | ||
| Oklahoma | 3 | 275 | 1 | 103 | 4 | 378 |
| Oregon | 1 | 11 | 1 | 11 | ||
| Tennessee | 1 | 28 | 1 | 28 | ||
| Utah | 1 | 40 | 1 | 40 | ||
| Vermont | 1 | 43 | 1 | 43 | ||
| Washington | 1 | 5 | 1 | 5 | ||
| Wisconsin | 9 | 277 | 9 | 277 | ||
| United States | 31 | 1,358 | 1 | 103 | 32 | 1,461 |
Return to Top Return to the AIPL Home Page |
| Table 4. Dairy cow enrollment in DHI as of January 1, 2010, by State and test-plan category |
breed=Red and White
| Official | Management | All Plans | ||||
| State | Herds | Cows | Herds | Cows | Herds | Cows |
| Michigan | 1 | 44 | 1 | 44 | ||
| Minnesota | 2 | 149 | 2 | 149 | ||
| New York | 2 | 212 | 2 | 212 | ||
| Ohio | 1 | 28 | 1 | 28 | ||
| Pennsylvania | 2 | 89 | 1 | 51 | 3 | 140 |
| Wisconsin | 4 | 274 | 2 | 152 | 6 | 426 |
| United States | 12 | 796 | 3 | 203 | 15 | 999 |
Return to Top Return to the AIPL Home Page |
| Table 5. Testing characteristics for cow herds tested between October and December 2009 by State, |
| Cow Test Days | |||||||||
| State | Herds | Cows | Test days/ herd-year |
Supervised (%) |
Sampled (%) |
All milkings weighed (%) |
All milkings sampled (%) |
>1 Day recorded (%) |
3X Milking (%) |
| Alabama | 26 | 4,334 | 10.5 | 93.3 | 94.1 | 37.7 | 0.0 | 6.0 | 0.0 |
| Alaska | 1 | 84 | 8.0 | 0.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Arizona | 30 | 55,064 | 11.3 | 94.9 | 99.2 | 65.3 | 34.3 | 12.4 | 56.8 |
| Arkansas | 28 | 4,385 | 8.8 | 99.2 | 96.9 | 1.6 | 0.0 | 4.7 | 1.4 |
| California | 833 | 971,402 | 11.7 | 99.3 | 99.0 | 33.7 | 28.8 | 4.8 | 23.1 |
| Colorado | 40 | 43,911 | 11.1 | 93.7 | 89.9 | 66.8 | 52.0 | 37.1 | 86.3 |
| Connecticut | 77 | 11,644 | 9.9 | 98.6 | 98.2 | 28.2 | 6.7 | 4.8 | 36.2 |
| Delaware | 28 | 3,443 | 12.1 | 90.2 | 89.6 | 45.8 | 0.0 | 40.5 | 15.9 |
| Florida | 60 | 48,843 | 11.8 | 69.2 | 32.2 | 37.6 | 0.0 | 21.0 | 45.0 |
| Georgia | 141 | 41,315 | 11.1 | 97.3 | 58.6 | 32.4 | 1.1 | 0.8 | 36.6 |
| Idaho | 165 | 170,408 | 11.3 | 92.7 | 97.9 | 68.3 | 47.8 | 6.4 | 47.0 |
| Illinois | 405 | 47,564 | 10.4 | 91.2 | 99.4 | 23.1 | 10.9 | 1.1 | 23.1 |
| Indiana | 343 | 46,313 | 9.5 | 77.7 | 90.5 | 30.8 | 12.5 | 13.9 | 38.3 |
| Iowa | 816 | 131,964 | 10.4 | 93.5 | 98.0 | 29.6 | 6.2 | 17.7 | 46.3 |
| Kansas | 179 | 24,323 | 9.8 | 86.6 | 90.3 | 15.7 | 3.6 | 9.0 | 30.4 |
| Kentucky | 191 | 23,443 | 10.1 | 87.7 | 95.5 | 25.1 | 3.2 | 12.6 | 26.8 |
| Louisiana | 50 | 8,132 | 11.1 | 94.4 | 58.4 | 33.2 | 0.0 | 0.0 | 0.0 |
| Maine | 123 | 14,531 | 11.3 | 92.1 | 93.1 | 33.0 | 9.4 | 1.9 | 7.8 |
| Maryland | 299 | 34,795 | 11.1 | 95.3 | 97.9 | 34.4 | 12.5 | 13.6 | 18.1 |
| Massachusetts | 78 | 7,593 | 10.4 | 98.2 | 100.0 | 19.6 | 14.2 | 5.9 | 17.5 |
| Michigan | 664 | 169,224 | 10.6 | 92.5 | 87.5 | 29.1 | 5.6 | 21.8 | 56.2 |
| Minnesota | 2,107 | 256,177 | 11.0 | 87.3 | 98.7 | 18.3 | 6.7 | 9.0 | 30.5 |
| Mississippi | 32 | 6,674 | 10.4 | 92.4 | 92.2 | 6.4 | 0.0 | 3.4 | 39.0 |
| Missouri | 312 | 36,534 | 10.9 | 90.5 | 88.6 | 15.8 | 1.2 | 7.4 | 11.1 |
| Montana | 27 | 5,634 | 11.0 | 79.0 | 100.0 | 43.7 | 34.0 | 7.6 | 11.9 |
| Nebraska | 129 | 27,465 | 10.8 | 89.9 | 91.8 | 22.6 | 2.0 | 13.4 | 40.5 |
| Nevada | 14 | 9,619 | 10.0 | 98.1 | 100.0 | 67.5 | 55.5 | 31.9 | 43.6 |
| New Hampshire | 83 | 10,107 | 10.6 | 98.3 | 93.0 | 30.6 | 16.7 | 0.0 | 16.4 |
| New Jersey | 50 | 4,692 | 9.9 | 92.0 | 95.4 | 49.5 | 37.9 | 14.3 | 7.0 |
| New Mexico | 25 | 75,532 | 11.9 | 93.3 | 89.2 | 37.6 | 26.1 | 0.0 | 54.6 |
| New York | 1,829 | 324,766 | 11.2 | 92.5 | 93.7 | 25.9 | 6.3 | 11.4 | 51.4 |
| North Carolina | 138 | 28,174 | 10.4 | 92.4 | 87.5 | 35.4 | 0.7 | 12.2 | 41.0 |
| North Dakota | 39 | 7,306 | 9.8 | 50.9 | 80.3 | 38.3 | 0.7 | 33.7 | 46.4 |
| Ohio | 777 | 120,382 | 10.7 | 83.3 | 92.7 | 28.5 | 18.7 | 3.9 | 39.1 |
| Oklahoma | 64 | 8,931 | 9.2 | 96.6 | 100.0 | 6.2 | 4.0 | 0.0 | 8.7 |
| Oregon | 191 | 52,026 | 10.6 | 99.0 | 99.9 | 33.7 | 32.2 | 5.4 | 35.2 |
| Pennsylvania | 4,048 | 342,834 | 11.4 | 73.6 | 95.3 | 21.9 | 4.9 | 9.3 | 19.8 |
| Puerto Rico | 94 | 21,677 | 12.1 | 98.2 | 95.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Rhode Island | 7 | 474 | 10.9 | 97.0 | 100.0 | 28.7 | 0.0 | 26.8 | 0.0 |
| South Carolina | 53 | 11,017 | 11.0 | 97.4 | 87.7 | 41.3 | 0.0 | 17.1 | 6.8 |
| South Dakota | 126 | 35,564 | 10.9 | 75.9 | 84.2 | 21.7 | 2.9 | 11.6 | 41.7 |
| Tennessee | 143 | 19,748 | 9.4 | 93.4 | 88.4 | 26.9 | 0.8 | 9.6 | 9.9 |
| Texas | 166 | 117,968 | 10.4 | 97.1 | 69.1 | 38.3 | 9.2 | 15.5 | 37.5 |
| Utah | 124 | 45,932 | 9.8 | 96.7 | 100.0 | 78.5 | 64.3 | 14.5 | 47.2 |
| Vermont | 349 | 51,218 | 10.5 | 93.8 | 89.3 | 34.6 | 20.3 | 5.3 | 31.2 |
| Virginia | 369 | 60,035 | 11.1 | 93.4 | 93.9 | 28.6 | 5.8 | 5.5 | 23.9 |
| Washington | 172 | 67,726 | 10.4 | 99.2 | 100.0 | 51.2 | 29.0 | 13.6 | 39.7 |
| West Virginia | 39 | 4,724 | 10.6 | 97.3 | 96.4 | 36.4 | 9.3 | 4.2 | 5.6 |
| Wisconsin | 4,741 | 626,915 | 11.5 | 78.4 | 97.6 | 21.2 | 8.1 | 4.4 | 44.2 |
| Wyoming | 2 | 678 | 8.8 | 68.4 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 |
| United States | 20,827 | 4,243,244 | 11.2 | 89.8 | 94.2 | 31.6 | 16.5 | 8.4 | 35.4 |
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| Table 6. Dairy goat enrollment in DHI as of January 1, 2010, by State and test-plan category |
| Official | Management | All Plans | ||||
| State | Herds | Does | Herds | Does | Herds | Does |
| Alabama | 2 | 20 | 0 | 0 | 2 | 20 |
| Alaska | 3 | 22 | 0 | 0 | 3 | 22 |
| Arizona | 7 | 103 | 0 | 0 | 7 | 103 |
| Arkansas | 10 | 135 | 0 | 0 | 10 | 135 |
| California | 41 | 1,514 | 4 | 763 | 45 | 2,277 |
| Colorado | 6 | 130 | 0 | 0 | 6 | 130 |
| Connecticut | 2 | 54 | 0 | 0 | 2 | 54 |
| Florida | 7 | 68 | 0 | 0 | 7 | 68 |
| Georgia | 6 | 95 | 0 | 0 | 6 | 95 |
| Idaho | 11 | 221 | 0 | 0 | 11 | 221 |
| Illinois | 7 | 98 | 3 | 264 | 10 | 362 |
| Indiana | 13 | 572 | 0 | 0 | 13 | 572 |
| Iowa | 2 | 183 | 6 | 352 | 8 | 535 |
| Kansas | 8 | 97 | 0 | 0 | 8 | 97 |
| Kentucky | 2 | 52 | 0 | 0 | 2 | 52 |
| Maine | 10 | 114 | 1 | 55 | 11 | 169 |
| Maryland | 6 | 307 | 0 | 0 | 6 | 307 |
| Massachusetts | 8 | 113 | 0 | 0 | 8 | 113 |
| Michigan | 9 | 56 | 0 | 0 | 9 | 56 |
| Minnesota | 15 | 992 | 0 | 0 | 15 | 992 |
| Mississippi | 6 | 64 | 0 | 0 | 6 | 64 |
| Missouri | 4 | 36 | 0 | 0 | 4 | 36 |
| Nebraska | 2 | 16 | 0 | 0 | 2 | 16 |
| Nevada | 1 | 10 | 0 | 0 | 1 | 10 |
| New Hampshire | 6 | 100 | 0 | 0 | 6 | 100 |
| New Jersey | 4 | 47 | 0 | 0 | 4 | 47 |
| New Mexico | 4 | 165 | 1 | 73 | 5 | 238 |
| New York | 5 | 600 | 1 | 7 | 6 | 607 |
| North Carolina | 4 | 48 | 0 | 0 | 4 | 48 |
| Ohio | 13 | 249 | 2 | 10 | 15 | 259 |
| Oklahoma | 5 | 43 | 0 | 0 | 5 | 43 |
| Oregon | 31 | 523 | 3 | 32 | 34 | 555 |
| Pennsylvania | 11 | 309 | 2 | 124 | 13 | 433 |
| Rhode Island | 1 | 4 | 0 | 0 | 1 | 4 |
| South Carolina | 1 | 8 | 0 | 0 | 1 | 8 |
| Tennessee | 2 | 38 | 0 | 0 | 2 | 38 |
| Texas | 12 | 153 | 0 | 0 | 12 | 153 |
| Utah | 2 | 129 | 0 | 0 | 2 | 129 |
| Vermont | 3 | 410 | 1 | 27 | 4 | 437 |
| Virginia | 4 | 36 | 2 | 168 | 6 | 204 |
| Washington | 22 | 265 | 6 | 79 | 28 | 344 |
| West Virginia | 3 | 24 | 0 | 0 | 3 | 24 |
| Wisconsin | 11 | 109 | 7 | 455 | 18 | 564 |
| Wyoming | 11 | 124 | 0 | 0 | 11 | 124 |
| United States | 343 | 8,456 | 39 | 2,409 | 382 | 10,865 |
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