| Table 1. Averages of DHI cow herds by herd size, 2000. |
Fat
Protein1
Herd size (cow-years per herd)
Herds
Cow-years
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
5- 24
1,232
20,517
16,647
99
4.02
668
100
3.27
544
25- 49
8,380
330,905
18,760
99
3.81
714
100
3.14
588
50- 74
8,986
547,799
19,665
99
3.78
743
99
3.13
616
75- 99
4,780
409,012
19,964
98
3.76
751
99
3.13
627
100- 149
4,291
514,867
19,957
97
3.75
752
97
3.14
630
150- 199
1,693
289,505
20,127
95
3.76
763
95
3.15
639
200- 299
1,543
371,937
20,456
93
3.71
769
93
3.15
650
300- 399
704
241,882
21,026
93
3.69
790
90
3.15
672
400- 499
414
184,117
21,723
91
3.64
809
83
3.13
696
500- 749
624
378,754
22,026
92
3.63
811
83
3.15
707
750- 999
286
250,020
22,240
92
3.62
813
80
3.17
718
1,000-1,499
270
329,263
22,396
95
3.63
820
82
3.16
712
1,500-1,999
121
207,151
22,618
95
3.62
824
81
3.16
719
2,000-2,999
86
202,111
22,452
97
3.60
813
86
3.14
714
3,000-3,999
34
114,969
22,793
95
3.64
832
86
3.16
720
4,000+
13
64,312
22,148
100
3.58
792
74
3.13
689
All Herds
33,457
4,457,121
20,827
96
3.70
776
91
3.14
657
1Protein averages include both true and crude protein.
| Table 2. Averages of DHI cow herds by breed and category of testing plan, 2000. |
Fat
Protein1
Breed
Category of test plan
Herds
Cow-years
Cow-years per herd
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
Ayrshire
Official
165
8,234
50
15,529
100
3.88
602
100
3.25
504
Management
12
321
27
12,875
100
4.06
523
100
3.22
414
All plans
177
8,555
48
15,429
100
3.88
599
100
3.25
501
Brown Swiss
Official
309
15,449
50
17,478
100
4.06
709
100
3.45
602
Management
29
1,027
35
15,939
100
4.20
670
100
3.45
550
All plans
338
16,475
49
17,382
100
4.06
706
100
3.45
599
Guernsey
Official
216
9,700
45
14,626
100
4.54
663
99
3.47
508
Management
54
2,351
44
13,634
100
4.53
618
100
3.38
460
All plans
270
12,051
45
14,432
100
4.54
654
99
3.45
498
Holstein
Official
21,418
3,339,667
156
21,536
97
3.64
789
92
3.12
674
Management
8,098
774,920
96
19,915
88
3.77
757
83
3.12
627
All plans
29,516
4,114,587
139
21,231
96
3.67
784
91
3.12
666
Jersey
Official
1,262
159,419
126
15,188
100
4.63
704
99
3.65
555
Management
172
10,561
61
13,561
98
4.73
642
96
3.67
499
All plans
1,434
169,979
119
15,087
100
4.64
700
99
3.65
552
Milking Shorthorn
Official
50
3,372
67
16,929
100
3.60
610
100
3.26
551
Management
6
300
50
16,673
100
3.88
646
100
3.24
541
All plans
56
3,672
66
16,908
100
3.62
613
100
3.25
550
Red and White
Official
32
1,908
60
19,962
100
3.72
743
100
3.09
618
Management
8
373
47
17,945
100
3.83
687
100
3.12
561
All plans
40
2,281
57
19,633
100
3.74
734
100
3.10
608
Mixed
Official
1,233
97,185
79
17,362
98
3.82
666
97
3.24
564
Management
393
32,337
82
16,121
83
4.01
660
84
3.33
550
All plans
1,626
129,521
80
17,052
94
3.86
665
94
3.26
561
All breeds
Official
24,685
3,634,934
147
21,092
97
3.68
781
93
3.15
664
Management
8,772
822,187
94
19,657
88
3.79
751
83
3.13
621
All plans
33,457
4,457,121
133
20,827
96
3.70
776
91
3.14
657
1Protein averages include both true and crude protein.
| Table 3. Averages of official DHI cow herds by state, 2000. |
Fat
Protein1
State
Herds
Cow-years
Cow-years per herd
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
Alabama
63
10,762
171
17,101
92
3.69
636
94
3.25
559
Alaska
.
.
.
.
.
.
.
.
.
.
Arizona
57
76,761
1,347
22,001
100
3.59
789
93
3.08
673
Arkansas
71
7,214
102
16,434
100
3.53
579
100
3.20
526
California
1,033
812,247
786
22,146
100
3.67
813
79
3.22
714
Colorado
64
39,068
610
23,769
100
3.55
845
99
3.11
738
Connecticut
120
14,119
118
21,680
94
3.67
793
94
3.10
669
Delaware
29
3,828
132
21,488
100
3.70
795
100
3.18
684
Florida
55
32,679
594
18,670
36
3.38
681
36
3.10
626
Georgia
183
47,984
262
18,549
64
3.53
664
58
3.25
614
Hawaii
1
283
283
14,565
100
3.41
497
0
.
.
Idaho
206
85,662
416
22,870
100
3.57
817
96
3.17
725
Illinois
585
50,852
87
19,949
100
3.74
746
100
3.16
630
Indiana
453
40,119
89
19,805
100
3.75
742
100
3.15
623
Iowa
1,144
98,971
87
20,389
100
3.71
756
100
3.15
643
Kansas
295
33,382
113
20,232
100
3.70
748
100
3.17
641
Kentucky
253
22,848
90
17,502
97
3.70
647
97
3.22
564
Louisiana
135
18,767
139
15,393
67
3.47
552
67
3.19
506
Maine
162
14,508
90
20,677
99
3.76
778
99
3.15
652
Maryland
411
39,641
96
20,326
100
3.85
782
100
3.16
643
Massachusetts
121
10,340
85
20,327
100
3.87
787
100
3.15
641
Michigan
882
128,634
146
22,080
97
3.74
825
97
3.07
679
Minnesota
2,948
279,535
95
20,817
100
3.73
776
100
3.13
652
Mississippi
70
11,454
164
17,767
99
3.63
646
99
3.15
561
Missouri
431
37,673
87
17,726
100
3.68
653
100
3.21
569
Montana
50
6,927
139
22,507
100
3.47
781
100
3.06
689
Nebraska
250
32,333
129
20,388
98
3.75
764
98
3.16
644
Nevada
21
10,595
505
21,489
100
3.55
763
90
3.19
688
New Hampshire
103
10,530
102
22,271
100
3.75
834
100
3.14
699
New Jersey
85
7,503
88
20,404
99
3.88
790
100
3.13
639
New Mexico
25
39,136
1,565
22,050
100
3.58
789
100
3.09
682
New York
2,514
298,494
119
21,077
99
3.69
777
98
3.08
648
North Carolina
216
33,592
156
19,986
96
3.73
749
95
3.13
629
North Dakota
67
6,780
101
19,710
99
3.58
706
100
3.08
607
Ohio
893
87,610
98
20,438
100
3.80
777
100
3.17
649
Oklahoma
102
11,252
110
18,478
100
3.43
634
100
3.16
584
Oregon
261
50,869
195
21,926
100
3.77
827
100
3.21
703
Pennsylvania
3,682
281,550
76
20,694
100
3.72
769
100
3.12
645
Puerto Rico
174
40,997
236
10,538
66
3.00
309
92
3.10
326
Rhode Island
8
504
63
19,790
100
3.62
716
100
3.09
611
South Carolina
80
15,726
197
18,296
95
3.88
714
95
3.20
589
South Dakota
174
20,552
118
19,703
99
3.73
735
99
3.15
621
Tennessee
263
31,230
119
17,866
94
3.64
651
95
3.15
563
Texas
274
112,502
411
20,716
89
3.61
757
88
3.18
668
Utah
208
42,820
206
22,333
100
3.58
800
100
3.13
698
Vermont
475
49,895
105
20,388
96
3.79
771
96
3.12
635
Virgin Islands
.
.
.