| Table 1. Averages of DHI cow herds by herd size, 1999. |
Fat
Protein
Herd size (cow-years per herd)
Herds
Cow-years
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
5- 24
1,367
22,799
16,296
100
4.01
652
100
3.36
548
25- 49
8,958
353,681
18,569
100
3.80
705
99
3.23
601
50- 74
9,670
588,295
19,451
99
3.77
733
99
3.23
629
75- 99
4,987
426,987
19,759
98
3.75
741
99
3.24
641
100- 149
4,427
532,094
19,692
96
3.74
740
96
3.24
642
150- 199
1,702
292,132
19,840
95
3.74
752
94
3.25
652
200- 299
1,503
363,081
20,183
93
3.70
758
92
3.25
663
300- 399
639
220,464
20,852
92
3.67
781
88
3.25
690
400- 499
423
189,059
21,248
92
3.65
793
85
3.24
702
500- 749
538
322,743
21,620
91
3.63
798
82
3.24
713
750- 999
285
247,670
21,774
92
3.61
796
79
3.24
722
1,000-1,499
252
310,010
22,101
95
3.61
805
79
3.25
723
1,500-1,999
114
195,462
22,083
95
3.62
808
81
3.24
719
2,000-2,999
65
153,788
22,439
95
3.61
813
85
3.21
728
3,000-3,999
27
92,657
23,084
93
3.56
825
79
3.21
743
4,000+
11
59,840
21,252
85
3.58
784
77
3.26
709
All Herds
34,968
4,370,759
20,462
95
3.70
762
91
3.24
665
| Table 2. Averages of DHI cow herds by breed and category of testing plan, 1999. |
Fat
Protein
Breed
Category of test plan
Herds
Cow-years
Cow-years per herd
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
Ayrshire
Official
181
8,290
46
15,418
100
3.89
600
100
3.35
516
Management
14
474
34
12,692
100
4.00
507
100
3.30
419
All plans
195
8,764
45
15,271
100
3.89
595
100
3.34
511
Brown Swiss
Official
317
15,769
50
17,230
100
4.04
696
100
3.56
613
Management
27
1,018
38
15,143
100
4.25
644
100
3.55
538
All plans
344
16,787
49
17,103
100
4.05
693
100
3.56
608
Guernsey
Official
246
10,962
45
14,448
100
4.52
652
99
3.56
515
Management
57
2,397
42
13,342
100
4.52
603
100
3.50
467
All plans
303
13,359
44
14,249
100
4.52
643
99
3.55
506
Holstein
Official
22,496
3,272,689
145
21,167
97
3.64
775
92
3.22
683
Management
8,507
775,855
91
19,525
86
3.78
747
81
3.22
635
All plans
31,003
4,048,544
131
20,853
95
3.66
770
90
3.22
675
Jersey
Official
1,272
145,276
114
14,850
100
4.64
689
99
3.76
559
Management
191
12,790
67
12,706
95
4.76
609
93
3.71
475
All plans
1,463
158,065
108
14,677
100
4.65
683
99
3.76
553
Milking Shorthorn
Official
49
2,500
51
14,021
100
3.54
496
100
3.33
467
Management
6
289
48
14,935
100
3.98
594
100
3.31
495
All plans
55
2,789
51
14,116
100
3.58
506
100
3.33
470
Red and White
Official
33
1,779
54
19,450
100
3.66
713
100
3.19
620
Management
8
396
50
16,589
100
3.82
633
100
3.20
531
All plans
41
2,175
53
18,929
100
3.69
698
100
3.19
604
Mixed
Official
1,172
88,603
76
16,850
98
3.84
651
98
3.34
565
Management
392
31,672
81
16,009
91
4.00
653
86
3.40
549
All plans
1,564
120,276
77
16,629
96
3.88
651
95
3.35
561
All breeds
Official
25,766
3,545,868
138
20,743
97
3.68
766
93
3.24
673
Management
9,202
824,891
90
19,254
87
3.80
740
82
3.23
627
All plans
34,968
4,370,759
125
20,462
95
3.70
762
91
3.24
665
| Table 3. Averages of official DHI cow herds by state, 1999. |
Fat
Protein
State
Herds
Cow-years
Cow-years per herd
Milk (lb)
Cow-years (%)
(%)
(lb)
Cow-years (%)
(%)
(lb)
Alabama
68
11,387
167
16,228
89
3.71
606
90
3.32
542
Alaska
.
.
.
.
.
.
.
.
.
.
Arizona
58
72,576
1,251
21,948
100
3.58
787
99
3.18
698
Arkansas
73
7,405
101
16,080
100
3.58
576
100
3.32
534
California
1,026
767,913
748
21,828
100
3.66
799
79
3.29
716
Colorado
65
30,197
465
24,273
100
3.58
868
98
3.18
773
Connecticut
125
15,179
121
21,647
98
3.66
798
98
3.17
692
Delaware
30
4,082
136
21,053
100
3.79
798
100
3.26
687
Florida
61
32,590
534
18,326
38
3.38
660
38
3.21
628
Georgia
194
49,766
257
18,392
67
3.53
668
61
3.30
612
Hawaii
1
325
325
16,784
100
3.41
573
0
.
.
Idaho
217
74,669
344
22,283
100
3.56
793
100
3.28
730
Illinois
620
51,754
83
19,371
99
3.71
717
100
3.26
631
Indiana
470
41,149
88
19,446
100
3.67
714
100
3.23
628
Iowa
1,225
99,330
81
19,820
100
3.71
736
100
3.26
646
Kansas
321
32,600
102
19,402
100
3.63
704
100
3.25
631
Kentucky
261
22,657
87
16,623
98
3.64
606
98
3.33
554
Louisiana
141
19,417
138
14,782
67
3.49
524
67
3.28
492
Maine
164
14,234
87
20,771
100
3.68
765
100
3.23
670
Maryland
431
39,553
92
20,101
100
3.86
776
100
3.28
660
Massachusetts
127
10,784
85
20,318
100
3.81
773
100
3.25
661
Michigan
923
123,926
134
21,582
97
3.81
824
98
3.19
689
Minnesota
3,099
273,182
88
20,506
100
3.73
764
99
3.23
661
Mississippi
72
12,280
171
17,026
99
3.56
607
99
3.27
557
Missouri
462
39,765
86
17,105
99
3.64
624
99
3.30
564
Montana
53
6,946
131
21,126
100
3.50
740
100
3.20
676
Nebraska
258
30,808
119
19,736
100
3.72
735
100
3.27
645
Nevada
21
10,036
478
20,540
100
3.62
743
98
3.31
681
New Hampshire
102
10,260
101
22,233
100
3.72
826
100
3.24
720
New Jersey
89
7,868
88
20,585
100
3.85
792
100
3.22
663
New Mexico
26
42,437
1,632
22,158
96
3.53
779
96
3.22
710
New York
2,591
298,628
115
21,036
99
3.67
772
98
3.17
667
North Carolina
225
35,319
157
19,637
95
3.71
730
95
3.21
630
North Dakota
69
6,410
93
19,182
99
3.58
688
100
3.20
614
Ohio
938
86,055
92
20,214
100
3.77
761
100
3.30
667
Oklahoma
119
13,474
113
17,306
100
3.40
588
100
3.26
564
Oregon
251
48,218
192
21,713
100
3.75
814
100
3.31
720
Pennsylvania
3,831
281,380
73
20,592
100
3.69
759
100
3.22
662
Puerto Rico
159
39,905
251
9,811
62
3.01
286
89
3.21
316
Rhode Island
8
518
65
20,159
100
3.68
741
100
3.18
641
South Carolina
80
15,855
198
17,637
97
3.81
675
97
3.32
587
South Dakota
184
19,794
108
18,918
100
3.73
705
100
3.25
614
Tennessee
264
31,667
120
17,352
96
3.65
634
96
3.25
566
Texas
280
107,984
386
20,271
86
3.58
736
84
3.29
675
Utah
209
39,529
189
22,010
100
3.57
786
100
3.24
713
Vermont
491
50,074
102
20,387
97
3.73
761
97
3.23
659
Virgin Islands
.
.
.
.
.
.
.
.
.
.