Table 1.  Current and historical participation in various DHIA testing programs
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Cows/     Percent participation passed years
Code Type of Test Herds Cows Herd 2007 2008 2009 2010
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0 DHI 9 2778 309 4.5 3.6 3 3.0
1 DHI-AP-T 0 0   3.3 2.5 2.4 2.4
2 DHI-APCS 22 8444 384 14.4 6.9 7.9 7.9
20 DHIR 10 640 64 1.2 0.6 0.7 0.7
21 DHIA-AP-T 0 0   0.6 1 1.3 1.3
22 DHIR-APCS 10 2135 214 1.6 4.9 2.1 2.0
23 DHIR-APCS 73 10426 143 9.6 9.6 10.7 10.7
31 DHI-AP 240 35504 148 37.6 36.7 39.5 39.5
40 OS 11 1155 105 1.5 1.2 1.2 1.2
41 OS-AP 59 11025 187 7.6 11.1 10.2 10.2
42 OS-APCS 14 2171 155 3.4 2.9 2.7 2.7
43 OS-MO 2 492 246 0.1 1.3 1.9 1.9
44 OS-MO-AP 0 0   0.4 0.5 0.5
70 SS 1 2121 2121 0.1 2 2.0
71 SS-AP 37 21854 591 9.9 13.4 10.1 10.2
72 SS-APCS 4 3661 915 0.3 3.5 3.8 3.9
 
   
Table 2. HOA State Averages. 2010
Cow/        RHA RHA lbs RHA lbs SCC Calving
State Herd Milk Fat Prot Actual Int. (mo.)
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Arkansas 112 16998 618 546 417 14.1
Colorado 2940 19027 608 582 202 14
Iowa 207 21862 844 701 193 12.9
Kansas 120 21372 781 663 323 14
Missouri 102 16082 584 511 506 15.3
Nebraska 182 21743 791 673 291 13.7
Oklahoma 152 17510 621 554 376 14.4
N. Dakota 203 20938 915 750 266 14.1
S. Dakota 309 22088 793 682 249 13.5
Table 3.  Total herds and total cows by state 2007-10
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Total Herds Total Cows
State 2007 2008 2009 2010 2007 2008 2009 2010
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Arkansas 18 18 14 13 2621 2412 1823 1457
Iowa 22 22 20 21 4368 4419 4264 4356
Kansas 213 194 180 175 30044 22024 21159 20946
Nebraska 152 141 124 112 24470 24916 23073 21652
N. Dakota 45 39 34 31 7534 7032 5711 6292
Oklahoma 57 45 40 39 7882 6850 6251 5941
S. Dakota 111 103 94 90 26767 28180 26473 27590
Other 15 14 11 9 13176 12101 12014 12195
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Totals 633 576 517 490 117962 107934 100768 106819
Other Colorado 2, Missouri 5, Texas 1
Table 4.  HOA breed averages 2010
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SCC Calving
Cow/ Actual Interval
Breed Cows Herd Milk Fat Protein 1000 (mo.)
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Ayrshire 113 113 15322 559 502 715 16.3
Brown Swiss 462 46 17874 734 616 323 15.3
Guernsey 66 66 14061 653 482 444 16.5
Holstein 84186 216 21800 780 673 271 13.8
Jersey 5842 142 16270 732 583 251 13.1
M. Shorthorn 292 73 14410 507 446 260 14.0
Crossbred 10794 124 19434 728 629 276 13.5
Table 5.  Total herds by breed 2005-10
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Total Herds
Breed 2005 2006 2007 2008 2009 2010
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Ayrshire 8 3 8 6 3 1
Brown Swiss 22 11 22 13 14 10
Guernsey 4 4 3 3 2 1
Holstein 612 539 534 479 431 389
Jersey 50 35 51 45 45 41
M. Shorthorn 7 4 8 7 6 4
Crossbred 64 60 99 79 72 87
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Totals 767 652 725 632 573 533
Table 6.  Statistical summary of HOA herds, 2005-10.
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Item 2005 2006 2007 2008 2009 2010
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Cow/herd 143 161 175 173 196 208
RHA milk, lbs. 19463 19618 20837 20717 20934 21208
Avg. milk fat % 3.7 3.7 3.7 3.7 3.7 3.7
Avg. milk protein % 3.1 3.1 3.1 3.1 3.2 3.2
Avg. SCC, (1000) 370 352 328 306 270 272
Calving Interval, months 14.4 14.4 13.9 14.0 14.0 31.8
Table 7.  DRMS Statistical Summary of Holstein Herds In Ar, KS, NE, ND, OK and SD - 3/11/2010
Herds less than 300 cows (n=339) Herds more than 300 cows (n=51)
Item Average Range Average Range
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Number of cows 108 21-294 761 301-3351
Cows in milk on test day, % 88.3 59-100 88.9 74-95
Days in milk 194 82-410 186.9 137-295
Average age of 1st lactation cows, months 27 22-36 25.3 22-35
Cows left herd, % 39.1 4-89 39.4 28-89
RHA milk, lbs. 19685 7122-28969 23219 16534-28123
Summit milk 1st lactation lbs. 64.3 29-92 74.8 56-88
Summit milk 2nd lactation lbs. 80.2 43.112 95.1 63-114
Summit milk 3rd lactation &> lbs. 85.7 44-120 99.9 72-128
Standardized 150 day milk lbs. 69.1 32.3-101.3 78.8 62-95.8
Days open-projected min-all 179.7 89-349 156.5 113-295
Days 1st Service-total herd 109.1 55-268 83.3 54-187
Percent of heats observed for year 33.1 1-81 50.8 3-76
Cows dry less than 40 days, % 14.8 1-100 11.4 1-48
Cows dry more than 70 days, % 29.9 1-90 20.3 1-48
Somatic cell count actual 333.5 75-1286 286 123-855
Percent cows with SCCS of 0-3 62.2 14-93 65.4 27-84
Fresh cows <41 DIM with SCCS > 4, % 30 0-100 23.3 0-45
Percent of herd bred to proven AI bulls 62.1 1-100 47.4 5-92
Percent of herd bred to young bulls 5 0-23.5 2 0-6
Percent of herd bred to non-AI bulls 28.8 0-100 19.3 0-100
Table 8.  
DRMS Statistical summary of Jersey and mixed breed in AR, KS, NE, ND, OK, and SD - 3/11/2011
  Jersey herds (n=30)           All other breeds (n=84) Mixed breeds (n=73)
Item Average Range Average Range
______________________________________________________________________________________________________________
Number of cows 110 26-435 185 20-3192
Cows in milk on test day, % 87.9 67-100 86.8 54-100
Days in milk 181.4 94-279 193 121-328
Average age of 1st lactation cows, months 24.7 20-35 26.9 22-34
Cows left herd, % 34.2 5-80 39.5 0-85
RHA milk, lbs. 15241 10474-21290 17684 8294-25384
Summit milk 1st lactation lbs. 48.8 32-70 58.7 31-89
Summit milk 2nd lactation lbs. 61 43-90 71.5 26-106
Summit milk 3rd lactation &> lbs. 65.7 45-89 76.6 37-119
Standardized 150 day milk lbs. 51 30.5-65.3 61.7 31.9-84
Days open-projected min-all 135.2 99-169 176.5 101-347
Days 1st Service-total herd 89.3 65-111 105 62-271
Percent of heats observed for year 45.3 22-71 34.3 4-80
Cows dry less than 40 days, % 9.6 1-44 13.9 1-53
Cows dry more than 70 days, % 20.6 3-52 33 4-83
Somatic cell count actual 302 101-741 336 85-749
Percent cows with SCCS of 0-3 57.5 11-87 60.7 27-91
Fresh cows <41 DIM with SCCS > 4, % 28.3 0-100 32 0-100
Percent of herd bred to proven AI bulls 65.3 34-100 52.8 2-100
Percent of herd bred to young bulls .2 0-4.2 3.4 0-85
Percent of herd bred to non-AI bulls 19.5 0.0-100 35.4 0-100