Table 2. 2016 Averages of DHI cow herds by breed and test-plan category

  Records Milk Fat Protein
Breed Test Plan Category Herds Cow-years Cow-years per herd (lb) (%) (lb) % Reporting (%) (lb) % Reporting
Ayrshire Official 58 3,211 55 15,199 3.97 603 100 3.19 485 100
  Management 4 215 54 11,811 3.86 456 100 3.15 372 100
  All plans 62 3,426 55 14,987 3.96 594 100 3.19 478 100
Brown Swiss Official 147 10,577 72 19,378 4.15 808 97 3.42 666 97
  Management 9 455 51 17,508 4.10 717 100 3.38 592 100
  All plans 156 11,032 71 19,301 4.15 804 97 3.42 663 97
Guernsey Official 77 3,916 51 15,703 4.64 728 100 3.40 534 100
  Management 12 532 44 14,275 4.60 656 100 3.43 490 100
  All plans 89 4,448 50 15,532 4.63 719 100 3.40 529 100
Holstein Official 9,895 3,107,635 314 25,558 3.70 946 99 3.09 790 98
  Management 4,217 523,678 124 23,029 3.78 871 95 3.06 705 93
  All plans 14,112 3,631,313 257 25,193 3.71 936 98 3.08 778 97
Jersey Official 743 267,972 361 18,314 4.84 886 100 3.68 674 100
  Management 131 16,192 124 16,191 4.90 794 100 3.64 590 100
  All plans 874 284,164 325 18,193 4.84 880 100 3.67 669 100
Milking Shorthorn Official 24 1,128 47 14,583 3.71 541 100 3.13 456 100
  Management 3 179 60 14,796 3.53 523 100 3.11 461 100
  All plans 27 1,307 48 14,612 3.69 539 100 3.13 457 100
Red and White Official 4 338 85 22,493 3.78 849 100 3.12 703 100
  Management 1 34 34 17,949 3.37 605 100 3.18 570 100
  All plans 5 372 74 22,080 3.75 827 100 3.13 691 100
Mixed Official 1,522 366,067 241 21,951 3.99 877 100 3.25 715 99
  Management 492 80,937 165 18,932 4.01 757 92 3.24 611 92
  All plans 2,014 447,004 222 21,404 3.99 856 98 3.25 697 98
All breeds Official 12,470 3,760,843 302 24,651 3.79 934 99 3.13 773 98
  Management 4,869 622,222 128 22,300 3.82 853 95 3.09 689 93
  All plans 17,339 4,383,065 253 24,317 3.79 923 98 3.13 762 97 

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