cdcb logo CDCB RESEARCH REPORT
K2-14 (2-16)

State and national standardized lactation averages by breed for cows calving in

H.D. Norman, L.M. Walton, and João Dürr
Council on Dairy Cattle Breeding
301-525-2006~ duane.norman@uscdcb.com ~ https://uscdcb.com

Lactation yields are often standardized to provide a reasonably equitable comparison of dairy animals having different lactation characteristics (e.g., calving age, days milked, milking frequency, etc.). This annual report provides averages of standardized yield coming from herds enrolled in Dairy Herd Improvement (DHI). The averages are summarized for cows and heifers that calved during for each state and the nation by breed. To assure that nearly all cows calving in 2014 have completed their 305-day lactation and are included, these averages could not be derived before early 2016. It includes a few Mexican herds tested through the U.S. DHI system as well. The test-day data used by the Council on Dairy Cattle Breeding to calculate the standardized yield were provided by the dairy records processing centers; reports showing participation in DHI programs on January 1, 2016 and DRPC activity on January 1, 2016 have been summarized also using the same data source. Only data used in calculation of national genetic evaluations (see complete evaluation documentation) are included in the state and national averages. Thus, records beyond fifth lactation were excluded, as were those from cows that lacked a first-lactation record or had missing sire identification.

Breed yields differ between this report and the herd-average report. This report summarizes standardized lactation yield (yield adjusted to 305 days, twice daily milking, for month of calving, and to a mature-age basis). In contrast, the herd-average report is determined from actual herd yields. Herd-averages reported are not restricted to records usable for national genetic evaluations. The herd-averages are impacted by lactation length and dry period. Relative yields among breeds differ between the two reports because of large breed differences in the percentage of usable records and age-parity factors. The herd-average report is more current than this standardized yield report and provides the more accurate comparrison of actual breed productivity.

Lactation records were first calculated with the best prediction method in 1997 and are standardized for age-parity (lactation number), calving month, previous days open, and times milked per day. Records shorter than 305 days are extended to 305 days as part of the best prediction process. Prior to 1997, lactation records were calculated with the test-interval method. The change in methods was responsible for a part of the yield increases shown between 1995 and 2000 because predicted yield for low-producing cows is higher using best prediction than using the test-interval method. Numbers of records and averages for yields and component percentages are in Tables 1 through 7 by state for Ayrshires, Brown Swiss, Guernseys, Holsteins, Jerseys, Milking Shorthorns, and Red and Whites, respectively. Component percentages were computed from averages of standardized yields for milk and fat or protein.

Numbers of records and national averages for milk and component yields and component percentages are in Table 8A-F by breed for selected years. Brown Swiss, Holsteins, and Jerseys had more usable lactations (Table 8A) in 2014 than in 2013. Holstein lactations were up 2.4%; Jersey lactations increased by 8.2%. Compared with 2013, milk yield (Table 8B) increased for all 7 breeds; Ayrshires (2.4%), Brown Swiss (1.6%), Guernsey (1.1%), Holsteins (1.5%), Jerseys (3.3%), Milking Shorthorn (4.0%), and Red and White (2.5%). Fat percentage (Table 8C) showed little change for 4 breeds from 2013, but went up .03 for Milking Shorthorn and .04 for Guernseys, and dropped .04 for Brown Swiss. Fat yield (Table 8D) in 2014 increased for all breeds; Ayrshire (20 lbs.), Brown Swiss (5 lbs.) Guernseys (15 lbs.), Holstein (12 lbs.), Jerseys (29 lbs.), Milking Shorthorns (32 lbs.), and Red and White (25 lbs.). Protein percentage (Table 8E) increased or decreased by .01 for 4 breeds and remained unchanged for 3 others. Average protein yield yield (Table 8F) increased for all breeds; Ayrshires (16 lbs.), Brown Swiss (11 lbs.), Guernseys (8 lbs.), Holstein (12 lbs.), Jerseys (23 lbs.), Milking Shorthorn (20 lbs.), and Red and White (18 lbs.).

A number of factors affect production averages including milk, beef, and feed prices, government programs, and characteristics of herds entering and leaving eligible testing programs. These average yields over time also reflect changes in management strategies, and the apparent shift of genetic emphasis toward other health and fitness traits. Still, genetic selection continues to have a positive effect on the milk traits. Interpretation of trends in lactation averages should be made in view of all the factors affecting profitability.

DHI Lactation Averages for Ayrshire  
Table 1. Ayrshire State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Arizona 5 24,109 2.91 702 3.00 723
Arkansas 4 14,585 3.65 533 3.21 468
California 4 25,235 3.51 885 3.17 801
Colorado 7 20,971 3.50 733 3.06 642
Connecticut 98 19,990 4.05 810 3.20 639
Delaware 4 23,441 3.91 916 3.03 710
Florida 3 17,611 3.33 586 2.90 511
Idaho 3 20,346 3.95 804 3.33 678
Illinois 181 20,589 3.90 803 3.16 651
Indiana 74 18,509 3.89 720 3.21 594
Iowa 457 19,754 3.90 769 3.18 628
Kansas 6 17,716 3.80 673 3.24 573
Kentucky 8 15,206 3.75 570 3.22 490
Louisiana 1 18,656 3.86 720 3.22 600
Maine 113 17,703 3.84 680 3.07 543
Maryland 252 20,604 4.15 855 3.15 649
Massachusetts 30 14,777 4.01 592 3.19 471
Michigan 54 19,207 3.88 746 3.19 612
Minnesota 240 16,954 3.85 653 3.13 530
Missouri 73 16,255 3.90 633 3.22 523
Nebraska 6 18,662 3.85 719 3.22 602
New Hampshire 100 17,837 4.00 713 3.20 571
New Jersey 14 16,825 4.08 686 3.02 509
New Mexico 272 18,445 3.87 714 3.28 604
New York 994 18,868 3.92 740 3.11 586
North Carolina 7 14,874 3.66 544 3.20 476
North Dakota 4 16,986 3.91 665 3.29 559
Ohio 381 18,870 3.87 730 3.22 607
Oklahoma 33 20,421 4.05 826 3.19 650
Oregon 18 19,326 4.39 849 3.38 653
Pennsylvania 669 19,055 3.92 747 3.13 597
Rhode Island 23 18,173 4.04 735 3.12 567
South Carolina 1 17,941 3.31 593 3.19 572
South Dakota 2 17,876 3.87 693 3.16 564
Tennessee 10 18,570 3.94 731 3.16 586
Texas 19 17,623 3.39 598 3.25 573
Utah 18 14,502 3.91 567 3.21 465
Vermont 366 17,526 3.88 681 3.10 544
Virginia 31 17,489 3.74 655 3.07 536
Washington 51 18,596 3.96 736 3.12 581
West Virginia 26 17,231 3.66 631 3.12 538
Wisconsin 656 19,929 3.87 772 3.16 629
United States 5,318 18,918 3.91 740 3.15 597 

 Return to the CDCB Home page

DHI Lactation Averages for Brown Swiss  
Table 2. Brown Swiss State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Alabama 3 16,824 3.83 645 3.35 564
Arizona 194 22,022 3.74 824 3.16 695
Arkansas 15 19,864 3.84 763 3.25 645
California 350 22,992 3.87 890 3.36 772
Colorado 565 25,144 3.59 902 3.35 841
Connecticut 69 19,488 3.90 761 3.30 642
Delaware 5 24,209 3.68 890 3.08 746
Florida 44 18,407 3.49 643 3.08 566
Georgia 85 18,386 3.92 721 3.33 612
Idaho 155 21,133 4.11 869 3.37 713
Illinois 612 20,646 4.01 828 3.37 696
Indiana 504 22,632 4.10 927 3.37 763
Iowa 1,330 21,902 4.05 886 3.35 733
Kansas 65 25,209 3.80 959 3.41 859
Kentucky 125 21,829 3.89 848 3.35 731
Louisiana 2 16,673 3.75 626 3.21 535
Maine 28 15,055 3.81 574 3.18 479
Maryland 166 21,925 4.12 903 3.35 734
Massachusetts 147 21,958 3.95 868 3.20 702
Michigan 156 23,262 3.92 912 3.30 769
Minnesota 1,690 22,861 4.04 923 3.34 764
Mississippi 2 17,317 3.58 621 3.16 547
Missouri 493 20,128 4.16 838 3.45 694
Nebraska 75 23,057 4.31 993 3.33 768
New Hampshire 92 19,182 3.88 744 3.22 618
New Jersey 22 20,663 3.97 821 3.22 665
New Mexico 19 22,426 3.63 814 3.31 742
New York 1,739 21,705 4.06 881 3.29 713
North Carolina 67 22,365 4.05 906 3.31 740
North Dakota 51 17,450 4.18 730 3.39 591
Ohio 1,280 22,636 4.13 935 3.38 766
Oklahoma 16 21,733 4.26 927 3.25 705
Oregon 243 21,935 3.97 870 3.26 715
Pennsylvania 1,425 22,926 3.97 911 3.27 749
South Carolina 7 21,323 3.88 827 3.27 698
South Dakota 82 21,104 4.22 890 3.43 724
Tennessee 207 20,856 3.63 757 3.28 684
Texas 1,112 23,290 3.90 907 3.42 796
Utah 118 21,963 3.89 854 3.39 744
Vermont 420 21,837 4.13 901 3.38 739
Virginia 171 22,681 3.95 896 3.24 735
Washington 351 21,207 4.08 866 3.35 710
West Virginia 26 20,041 3.80 761 3.36 673
Wisconsin 3,700 23,400 4.10 959 3.33 780
United States 18,028 22,475 4.02 903 3.34 750 

 Return to the CDCB Home page

DHI Lactation Averages for Guernsey  
Table 3. Guernsey State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Arizona 2 17,678 3.60 637 2.72 480
California 189 15,974 4.30 688 3.38 539
Connecticut 34 16,643 4.49 747 3.28 547
Delaware 1 22,191 4.37 970 3.19 708
Florida 5 16,033 3.84 615 3.01 483
Idaho 1 21,113 4.20 886 3.13 660
Illinois 84 18,210 4.29 781 3.26 594
Indiana 129 17,320 4.46 772 3.34 578
Iowa 564 18,071 4.56 824 3.29 594
Kansas 47 18,625 4.42 824 3.23 601
Kentucky 29 20,742 3.86 801 3.23 669
Louisiana 3 20,782 3.85 800 3.31 688
Maine 44 16,094 4.42 712 3.27 526
Maryland 168 17,377 4.54 789 3.27 569
Massachusetts 50 14,494 4.52 655 3.25 471
Michigan 15 13,597 4.27 581 3.20 435
Minnesota 176 17,290 4.55 787 3.31 572
Missouri 234 16,094 4.31 694 3.26 525
Nebraska 22 16,066 4.52 727 3.46 556
New Hampshire 15 17,765 4.40 781 3.27 582
New Jersey 5 16,228 4.75 771 3.47 563
New Mexico 1 21,974 4.15 912 3.32 729
New York 528 17,965 4.49 806 3.22 578
North Carolina 8 16,238 4.32 702 3.39 550
Ohio 372 18,516 4.57 846 3.33 617
Oklahoma 2 20,861 3.85 803 3.15 657
Oregon 173 16,724 4.33 725 3.21 537
Pennsylvania 640 17,570 4.47 785 3.25 571
Rhode Island 7 17,204 4.98 858 3.38 581
South Carolina 4 15,508 4.03 625 3.12 484
South Dakota 22 13,146 4.23 556 3.33 438
Tennessee 41 16,117 4.67 753 3.35 540
Texas 148 14,554 4.09 595 3.31 482
Vermont 85 13,577 4.73 642 3.25 441
Virginia 78 15,668 4.73 741 3.28 514
Washington 132 17,798 4.68 833 3.33 592
West Virginia 6 16,787 4.17 700 3.16 531
Wisconsin 1,441 18,658 4.64 865 3.34 624
United States 5,505 17,622 4.52 796 3.30 581 

 Return to the CDCB Home page

DHI Lactation Averages for Holstein  
Table 4. Holstein State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Alabama 332 20,530 3.31 679 2.98 612
Arizona 13,241 24,907 3.35 834 2.95 734
Arkansas 435 22,449 3.41 765 2.98 670
California 465,311 27,726 3.58 992 3.08 853
Colorado 26,637 26,451 3.65 964 3.12 825
Connecticut 7,508 26,698 3.78 1009 3.02 806
Delaware 2,622 26,817 3.62 970 3.01 806
Florida 12,432 25,977 3.58 930 3.02 785
Georgia 7,813 24,944 3.61 900 2.98 743
Idaho 125,168 26,848 3.74 1003 3.13 840
Illinois 27,739 26,781 3.67 983 3.04 815
Indiana 19,511 26,389 3.69 975 3.07 810
Iowa 60,408 27,752 3.74 1038 3.08 856
Kansas 7,995 25,770 3.71 957 3.07 792
Kentucky 6,879 25,803 3.54 913 2.98 768
Louisiana 1,127 21,779 3.45 751 2.99 652
Maine 7,878 25,853 3.87 1000 2.99 773
Maryland 19,557 25,429 3.73 948 3.00 762
Massachusetts 2,993 25,116 3.94 990 3.06 768
Mexico 6,494 23,453 3.58 840 3.21 753
Michigan 102,760 27,491 3.67 1010 3.07 843
Minnesota 151,672 26,738 3.81 1018 3.07 821
Mississippi 1,515 24,412 3.76 917 2.95 720
Missouri 7,296 23,983 3.66 877 3.02 725
Montana 2,399 25,587 3.85 984 2.97 759
Nebraska 13,024 26,102 3.67 958 3.10 810
Nevada 2,769 26,088 3.78 987 3.19 831
New Hampshire 5,839 27,175 3.80 1033 3.03 823
New Jersey 2,127 25,292 3.62 916 2.95 746
New Mexico 30,700 25,806 3.50 904 3.11 802
New York 245,568 26,255 3.86 1014 3.05 802
North Carolina 11,558 26,822 3.82 1026 2.99 801
North Dakota 2,283 24,936 3.79 944 3.05 760
Ohio 55,810 26,227 3.71 974 3.06 802
Oklahoma 1,593 23,015 3.56 819 3.05 702
Oregon 18,004 25,322 3.78 956 3.07 779
Pennsylvania 180,747 26,612 3.72 990 3.00 798
Rhode Island 183 26,732 3.79 1014 3.07 820
South Carolina 2,502 24,263 3.67 891 3.03 735
South Dakota 19,957 26,605 3.81 1015 3.07 817
Tennessee 5,661 24,275 3.74 908 3.00 728
Texas 24,291 25,185 3.62 911 3.12 786
Utah 11,967 25,690 3.74 962 3.07 789
Vermont 30,445 25,953 3.85 1000 3.10 803
Virginia 33,530 25,807 3.65 942 2.97 766
Washington 41,715 26,042 3.85 1004 3.12 812
West Virginia 1,279 24,268 3.64 883 2.99 726
Wisconsin 397,978 28,282 3.80 1073 3.06 866
Wyoming 156 20,175 3.52 711 2.95 596
United States 2,227,408 27,031 3.72 1005 3.06 828 

 Return to the CDCB Home page

DHI Lactation Averages for Jersey  
Table 5. Jersey State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Alabama 178 15,208 4.21 640 3.47 527
Arizona 9,176 19,392 4.73 917 3.56 690
Arkansas 106 14,902 4.20 625 3.49 521
California 91,035 21,317 4.70 1003 3.64 776
Colorado 163 20,502 4.55 933 3.64 746
Connecticut 517 17,502 4.90 858 3.49 611
Delaware 159 21,745 4.60 1000 3.36 730
Florida 123 15,941 4.09 653 3.25 518
Georgia 136 16,517 4.29 708 3.34 551
Idaho 12,847 20,719 4.82 998 3.60 746
Illinois 2,539 19,330 4.78 924 3.62 699
Indiana 810 17,854 4.70 839 3.65 651
Iowa 9,493 18,975 4.92 934 3.67 697
Kansas 1,162 18,054 4.89 883 3.68 664
Kentucky 979 18,024 4.54 817 3.52 634
Louisiana 66 14,247 4.25 605 3.50 498
Maine 1,299 20,052 4.78 959 3.50 701
Maryland 1,522 17,534 4.83 847 3.54 620
Massachusetts 458 17,453 4.97 868 3.70 646
Michigan 1,260 17,940 4.69 841 3.62 649
Minnesota 3,823 18,891 4.89 923 3.66 691
Mississippi 931 16,479 4.42 729 3.53 582
Missouri 1,490 15,532 4.54 706 3.61 560
Montana 11 19,664 4.41 867 3.64 716
Nebraska 708 19,365 4.59 888 3.61 699
Nevada 479 18,596 4.44 826 3.62 674
New Hampshire 728 18,012 4.84 872 3.60 649
New Jersey 119 16,107 4.76 766 3.55 571
New Mexico 2,239 20,105 4.28 861 3.54 711
New York 6,969 18,603 4.73 879 3.50 652
North Carolina 2,356 19,201 4.55 873 3.45 663
North Dakota 86 16,460 4.79 789 3.71 611
Ohio 9,849 18,265 4.95 905 3.68 672
Oklahoma 427 16,159 4.42 714 3.65 589
Oregon 13,370 18,932 4.85 919 3.68 697
Pennsylvania 9,146 18,232 4.82 879 3.61 659
Rhode Island 47 18,127 4.76 863 3.65 661
South Carolina 1,490 17,837 4.57 815 3.47 619
South Dakota 3,471 20,148 4.94 995 3.65 736
Tennessee 1,527 17,419 4.88 850 3.55 619
Texas 53,326 22,531 4.74 1067 3.63 817
Utah 2,737 17,952 4.88 876 3.62 649
Vermont 2,741 16,883 4.84 817 3.63 613
Virginia 1,666 17,484 4.57 799 3.50 611
Washington 5,554 20,585 4.75 979 3.59 739
West Virginia 402 13,270 4.81 638 3.55 471
Wisconsin 15,114 19,830 4.93 978 3.64 721
United States 274,834 20,454 4.76 973 3.62 741 

 Return to the CDCB Home page

DHI Lactation Averages for Milking Shorthorn  
Table 6. Milking Shorthorn State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
Arizona 34 15,555 3.53 549 2.95 460
Arkansas 117 20,019 3.44 688 3.22 645
California 127 23,737 3.48 827 3.09 733
Colorado 7 23,187 3.40 788 3.14 728
Connecticut 7 15,546 3.84 597 3.04 473
Idaho 1 10,881 3.64 396 3.59 391
Illinois 61 20,152 3.58 720 3.08 621
Indiana 82 17,821 3.56 635 3.10 553
Iowa 122 19,234 3.66 703 3.06 588
Kansas 24 22,079 3.56 787 3.07 677
Kentucky 3 20,870 4.03 841 3.08 643
Maine 42 17,272 3.66 633 3.05 527
Maryland 51 20,244 3.89 788 3.13 633
Massachusetts 42 17,550 3.53 619 3.06 537
Michigan 42 20,065 3.76 754 3.11 624
Minnesota 200 19,588 3.75 734 3.12 612
Missouri 124 14,324 3.75 537 3.23 463
Nebraska 1 19,710 4.16 820 3.30 651
New Hampshire 103 20,141 3.80 765 3.05 614
New Jersey 2 8,340 3.60 300 3.17 265
New Mexico 1 18,155 3.52 639 3.08 559
New York 166 19,208 3.65 701 3.05 585
North Dakota 3 17,188 4.23 727 3.35 575
Ohio 147 17,906 3.80 680 3.17 567
Oklahoma 66 16,298 3.76 614 3.05 496
Oregon 7 19,757 4.16 822 3.30 653
Pennsylvania 198 19,280 3.83 739 3.08 593
South Dakota 13 16,096 3.54 570 3.11 501
Tennessee 3 16,095 3.79 609 3.22 518
Texas 116 18,773 3.58 672 3.10 582
Utah 50 13,899 3.88 539 3.24 450
Vermont 85 18,808 3.54 665 3.03 570
Virginia 7 21,244 3.91 831 3.07 652
Washington 266 15,611 3.86 603 3.14 490
West Virginia 2 15,514 3.45 535 3.25 504
Wisconsin 449 19,057 3.84 731 3.08 587
United States 2,771 18,578 3.72 691 3.10 576 

 Return to the CDCB Home page

DHI Lactation Averages for Red & White  
Table 7. Red & White State and National Standardized Lactation Averages for Cows Calving in 2014 With Records Used in National Genetic Evaluations.

  Records Milk Fat Protein
State (no.) (lb) (%) (lb) (%) (lb)
California 135 25,558 3.52 900 3.08 788
Georgia 1 17,470 4.25 743 3.06 535
Idaho 3 21,892 3.94 863 3.36 735
Illinois 40 25,041 3.67 919 3.04 762
Iowa 30 26,699 3.55 949 3.06 817
Kansas 1 25,094 3.64 914 3.09 776
Kentucky 14 25,427 3.80 966 3.15 801
Maine 6 22,886 3.68 842 2.96 679
Maryland 14 19,382 3.79 734 3.08 597
Massachusetts 16 22,045 3.66 807 3.07 676
Michigan 75 24,696 3.62 894 3.09 764
Minnesota 378 24,009 3.78 906 3.08 741
New Jersey 1 27,873 3.75 1046 2.82 787
New York 258 24,357 3.88 946 2.98 726
North Carolina 6 20,005 3.31 663 3.01 603
Ohio 38 18,995 3.88 736 3.14 596
Oklahoma 1 17,240 3.76 648 3.02 521
Oregon 3 25,103 4.08 1024 3.30 829
Pennsylvania 216 22,071 3.80 839 3.03 668
South Carolina 2 23,040 3.73 860 3.27 755
Texas 18 20,169 3.55 717 3.22 650
Utah 1 22,066 3.83 845 2.99 660
Vermont 7 22,825 3.84 877 3.13 714
Virginia 53 22,781 3.64 829 3.08 701
Washington 8 20,409 3.76 768 3.14 642
Wisconsin 614 25,905 3.77 976 3.06 791
United States 1,939 24,387 3.75 916 3.06 745 

 Return to the CDCB Home page

DHI Lactation Averages Over Time  
Tables 8A-8F. Summary of National Standardized Lactation Averages
for Cows With Records Used in National Genetic Evaluations.

  Table 8A. Records (no.)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 13,465 11,576 7,035 5,989 6,045 5,977 5,727 5,559 5,318
Brown Swiss 17,236 17,717 15,704 16,029 18,069 18,243 18,379 17,997 18,028
Guernsey 38,364 25,805 9,406 7,248 6,144 6,076 5,807 5,532 5,505
Holstein 1,109,758 1,720,127 1,624,058 1,650,001 2,020,821 2,103,095 2,157,122 2,175,009 2,227,408
Jersey 63,305 99,416 106,837 128,236 182,137 209,844 229,075 253,850 274,834
Milking Shorthorn 2,302 2,684 2,407 2,723 3,091 3,288 3,166 3,126 2,771
Red and White 900 5,588 3,927 2,636 2,370 2,306 2,237 2,269 1,939 

 Return to the CDCB Home page

 

 
  Table 8B. Milk (lb)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 13,144 14,799 17,389 18,303 18,275 18,295 18,440 18,478 18,918
Brown Swiss 14,172 16,250 20,300 21,405 21,857 21,996 22,214 22,130 22,475
Guernsey 11,666 13,297 16,043 17,154 17,351 17,349 17,578 17,429 17,622
Holstein 17,566 20,178 24,517 25,644 25,757 25,987 26,312 26,639 27,031
Jersey 11,437 13,407 17,038 18,087 18,565 19,004 19,359 19,793 20,454
Milking Shorthorn 11,560 14,011 16,548 17,582 18,137 18,319 18,131 17,868 18,578
Red and White 16,470 18,832 22,845 23,815 23,342 23,439 23,679 23,803 24,387 

 Return to the CDCB Home page

 

 
  Table 8C. Fat (%)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 3.88 3.85 3.86 3.82 3.85 3.84 3.85 3.90 3.91
Brown Swiss 4.06 3.98 4.01 4.00 3.97 3.97 4.02 4.06 4.02
Guernsey 4.60 4.49 4.46 4.42 4.43 4.41 4.42 4.48 4.52
Holstein 3.61 3.61 3.64 3.65 3.65 3.67 3.71 3.73 3.72
Jersey 4.84 4.73 4.60 4.62 4.69 4.70 4.75 4.77 4.76
Milking Shorthorn 3.69 3.58 3.59 3.58 3.66 3.65 3.67 3.69 3.72
Red and White 3.62 3.67 3.66 3.63 3.73 3.72 3.72 3.74 3.75 

 Return to the CDCB Home page

 

 
  Table 8D. Fat (lb)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 510 570 671 700 704 703 711 720 740
Brown Swiss 576 646 814 856 867 874 894 898 903
Guernsey 536 598 716 758 769 766 776 781 796
Holstein 633 729 893 936 941 955 977 993 1005
Jersey 553 634 784 835 870 893 919 944 973
Milking Shorthorn 426 502 595 630 664 669 666 659 691
Red and White 596 692 837 865 871 872 880 891 916 

 Return to the CDCB Home page

 

 
  Table 8E. Protein (%)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 3.16 3.13 3.12 3.14 3.14 3.14 3.15 3.15
Brown Swiss 3.33 3.31 3.30 3.29 3.31 3.32 3.34 3.34
Guernsey 3.30 3.31 3.27 3.26 3.27 3.27 3.29 3.30
Holstein 2.94 3.00 3.01 3.03 3.04 3.05 3.06 3.06
Jersey 3.60 3.58 3.57 3.60 3.62 3.61 3.63 3.62
Milking Shorthorn 3.09 3.10 3.09 3.09 3.11 3.11 3.11 3.10
Red and White 2.95 2.98 2.99 3.02 3.05 3.05 3.05 3.06 

 Return to the CDCB Home page

 

 
  Table 8F. Protein (lb)
  Calving year
Breed 1980 1990 2000 2005 2010 2011 2012 2013 2014
Ayrshire 468 545 571 573 574 580 581 597
Brown Swiss 541 672 707 719 729 738 739 750
Guernsey 439 531 561 565 567 575 573 581
Holstein 592 733 772 781 791 803 816 828
Jersey 482 610 646 669 688 699 718 741
Milking Shorthorn 433 512 543 561 570 563 556 576
Red and White 555 680 711 705 714 722 727 745 

 Return to the CDCB Home page