Table 1. 2006 Averages of DHI Cow Herds
by Herd Size

  Records Milk Fat Protein
Herd size (cow-years per herd) Herds Cow-years (lbs) (%) (lbs) % Reporting (%) (lbs) % Reporting
5- 24 809 13,493 17,064 4.02 685 100 3.20 546 100
25- 49 5,599 222,773 19,126 3.82 730 100 3.08 589 100
50- 74 6,007 366,258 20,318 3.79 771 100 3.07 625 100
75- 99 3,310 284,352 20,761 3.76 782 99 3.08 640 99
100- 149 3,320 399,240 20,890 3.76 788 98 3.08 646 98
150- 199 1,390 238,594 20,925 3.75 791 97 3.08 649 97
200- 299 1,343 323,702 21,612 3.72 813 96 3.07 669 96
300- 399 716 245,588 21,926 3.71 823 96 3.07 681 94
400- 499 439 195,702 22,414 3.70 841 94 3.07 698 91
500- 749 615 376,514 23,053 3.68 857 95 3.08 720 91
750- 999 322 279,775 23,324 3.67 862 97 3.07 725 91
1,000-1,499 305 375,445 23,240 3.66 851 98 3.09 723 90
1,500-1,999 139 238,565 23,524 3.65 861 99 3.08 729 88
2,000-2,999 117 285,040 23,404 3.63 850 99 3.09 724 94
3,000-3,999 57 195,264 23,859 3.60 864 98 3.09 742 88
4,000+ 48 252,260 23,356 3.60 838 97 3.11 723 95
All Herds 24,536 4,292,565 22,061 3.70 820 97 3.08 682 94 

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