1 / 18

ACROSS BREED EPD TABLES FOR THE YEAR 2006 ADJUSTED TO THE BIRTH YEAR OF 2004

ACROSS BREED EPD TABLES FOR THE YEAR 2006 ADJUSTED TO THE BIRTH YEAR OF 2004. L. Dale Van Vleck and Larry V. Cundiff. MARC-ARS-USDA Lincoln and Clay Center, NE. Beef Improvement Federation 38 th Annual Meeting Choctaw, MS April 18-21, 2006. Breed BWT WNWT YRWT MILK.

dakota
Télécharger la présentation

ACROSS BREED EPD TABLES FOR THE YEAR 2006 ADJUSTED TO THE BIRTH YEAR OF 2004

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ACROSS BREED EPD TABLES FOR THE YEAR 2006 ADJUSTED TO THE BIRTH YEAR OF 2004 L. Dale Van Vleck and Larry V. Cundiff MARC-ARS-USDA Lincoln and Clay Center, NE Beef Improvement Federation 38th Annual Meeting Choctaw, MS April 18-21, 2006

  2. Breed BWT WNWT YRWT MILK MEAN EPDs (Birth Year 2004, Spring 2006 Evaluations) Angus +2.3 +38.5 +71.5 +19.0 Hereford +3.7 +37.0 +63.0 +14.0 Red Angus +0.4 +29.0 +51.0 +15.0 Shorthorn +1.8 +13.0 +21.0 +2.4 S. Devon +0.2 +19.1 +26.4 +7.1 Brahman +1.8 +14.1 +23.1 +6.1 Limousin +2.1 +36.3 +68.2 +18.3 Simmental +1.8 +34.1 +59.5 +5.4 Charolais +1.3 +20.0 +35.2 +6.2 Gelbvieh +1.9 +41.0 +73.0 +18.0 Maine Anjou +2.5 +39.6 +78.2 +18.4 Salers +1.1 +15.5 +25.8 +8.7 Tarentaise -1.5 +4.0 +11.0 +1.0 Braunvieh +1.1 +7.0 +8.0 0.0 Brangus +2.0 +22.7 +37.8 +9.9 Beefmaster +0.4 +7.0 +12.0 +2.0 (Van Vleck and Cundiff, 2006)

  3. SIRE BREEDS WITH EPDs IN GERMPLASM EVALUATION PROGRAM CYCLE I II III IV V VI VII VIII Breed 70-72 73-74 75-76 84-90 92-94 97-98 99-00 01-02 Angus X X X X X X X X Hereford X X X X X X X X Red Angus X Shorthorn X S. Devon X Brahman X X Limousin X X Simmental X X Charolais X X X Gelbvieh X X X Maine Anjou X Salers X Tarentaise X BraunviehX BrangusX BeefmasterX

  4. Maternal Grand Sires Progeny Grand Sires Daughters progeny MARC Sires and Progeny by Breed (Wn. Wt.) Hereford 112 1712 108 7142890 Angus 106 1315 104 541 2152 Shorthorn 25 170 22 69 251 S. Devon 15 134 14 69 347 Brahman 40 509 40 216 880 Simmental 47 564 47 239 1129 Limousin 40 533 40 240 1112 Charolais 74 600 68 235 1029 Ma. Anjou 18 197 17 86 485 Gelbvieh 48 559 46 232 989 Tarentaise 7 191 6 78 341 Salers 27 176 25 89 351 Red Angus 21 199 21 89 330 Braunvieh 7 183 7 92 502 Brangus 21 208 19 43 99 Beefmaster 22 215 20 51 113

  5. REGRESSION OF PERFORMANCE ON EPD’S AT MARC (LB/LB), (Van Vleck and Cundiff, 2006) Pooled over all breeds ObservedExpected Birth weight 1.02 + .05 1.00 Wean weight .89 + .05 1.00 Yearling weight 1.14 + .05 1.00 Maternal weaning weight .57 + .04 .50 Milk 1.13 + .06 1.00 Data for 2006 analysis for weaning wt included 16 sire breeds, 630 sires, and 7,465 progeny.

  6. ESTIMATING AB-EPD FACTORS FOR WEANING WEIGHT(Van Vleck and Cundiff, 2006) Breed Avg. EPD Adj. Avg. 2004 EPD (i) AB-EPB Breed solution Breed MARC Avg. Dev. Dev. Factor (n sires) MARC (i) 2004 bulls (Mi)a Angus Angus (Ai)b Angus (106) 504 38.5 23.5 517 .0 .0 .0 Hereford (112) 501 37.0 23.5 513 - 4.0 - 1.5 - 2.5 Red Angus (21) 505 29.0 27.6 506 - 11.1 - 9.5 -1.6 Charolais (74) 527 20.0 8.4 538 20.3 -18.5 38.8 Limousin (40) 503 36.3 20.8 517 - .4 - 2.2 1.8 Gelbvieh (48) 518 41.0 32.3 526 8.7 2.5 6.2 Simmental (47) 526 34.1 23.8 536 18.2 - 4.4 22.6 aMi = MARC (i) + b[EPD(i)2004 – EPD(i)MARC], where b = 0.89. bAi = (Mi – MAngus) – (EPD(i)2004 – EPD (Angus)2004).

  7. Breed BWT WNWT YRWT MILK BREEDS MEANS AND DEVIATIONS FROM ANGUS (SPRING, 2006) Angus 85 (0.0) 517 ( 0.0) 903 ( 0.0) 0.0 Hereford 89 (4.3) 513 (- 4.0) 879 (- 24.2) - 23.3 Red Angus 86 (1.1) 506 (-11.1) 882 (- 21.3) - 12.1 Shorthorn 91 (6.6) 522 ( 5.1) 897 ( - 5.9) -1.6 S. Devon 89 (4.0) 521 ( 3.2) 899 ( - 3.8) - 6.6 Brahman 97 (12.0) 529 (11.5) 849 (- 53.6) 13.6 Limousin 89 (3.9) 517 (- 0.4) 878 (- 24.8) - 17.1 Simmental 90 (5.3) 536 (18.2) 912 ( 8.8) - 1.7 Charolais 94 (9.0) 538 (20.3) 920 ( 16.8) - 11.4 Gelbvieh 89 (4.3) 526 ( 8.7) 882 (- 21.1) 3.6 Maine Anjou 91 (6.5) 512 (- 5.1) 866 (- 36.7) - 7.8 Salers 88 (3.0) 523 ( 6.0) 899 ( - 3.6) - .1 Tarentaise 87 (2.3) 515 (- 2.8) 854 (- 49.0) 0.6 Braunvieh 89 (4.8) 516 (- 1.6) 851 (- 51.6) 5.1 Brangus 89 (4.9) 521 ( 4.1) 890 (- 12.6) - 11.7 Beefmaster 92 (7.3) 524 ( 7.0) 881 (- 22.2) - 24.1 (Van Vleck and Cundiff, 2006)

  8. MEAN ANNUAL CHANGE FOR GROWTH TRAIT EPDs IN SEVEN PROMINENT BEEF BREEDS (lb/yr) Breed (range in yrs) BW WW YW Milk Angus (1979-2004) .104 1.49 2.84 0.75 Hereford (1979-2004) .152 0.93 1.90 0.51 Red Angus (1979-2005) .077 0.93 1.81 0.51 Mean .111 1.12 2.18 0.59 Simmental (1985-2004) -.049 0.53 1.10 -.07 Gelbvieh (1984-2004) -0.077 0.24 0.79 0.04 Charolais (1990-2005) 0.007 0.93 1.70 0.40 Limousin (1985-2005) 0.053 0.88 1.61 0.26 Mean -.017 0.64 1.30 0.16

  9. ADJUSTMENT FACTORS TO ADD TO EPDs OF SEVENTEEN BREEDS TO ESTIMATE AB-EPDs (SPRING, 2006) Breed BWT WNWT YRWT MILK Angus 0.0 0.0 0.0 0.0 Hereford 2.9 -2.5 - 15.7 -18.3 Red Angus 3.0 - 1.6 - 0.8 - 8.1 Shorthorn 7.1 30.6 44.6 15.0 S. Devon 6.1 22.6 41.3 5.3 Brahman 12.5 35.9 - 5.2 26.5 Limousin 4.1 1.8 - 21.5 -16.4 Simmental 5.8 22.6 20.8 11.9 Charolais 10.0 38.8 53.1 1.3 Gelbvieh 4.7 6.2 - 22.6 4.6 Maine Anjou 6.3 -6.2 - 43.4 - 7.2 Salers 4.2 29.0 42.1 11.2 Tarentaise 3.1 31.7 11.5 18.6 Braunvieh 6.0 29.9 11.9 24.1 Brangus 5.2 19.9 21.1 - 2.6 Beefmaster 9.2 38.5 37.3 - 7.1 (Van Vleck and Cundiff, 2006)

  10. Using EPDs and AB-EPDs BW WW YW MILK Angus AB - Factors .0 0 0 0 GDAR EPDs 2.9 43 84 15 Traveler044 AB-EPDs 2.9 43 84 15 Simmental AB-Factors 5.8 22.6 20.8 11.9 Black Irish EPDs -1.8 29.7 60.9 1.5 Kansas AB-EPDs 4.0 52.3 81.7 13.4 TOSU OrlandoEPDs 2.4 55.6 94.9 -.6 F004 AB-EPDs 8.2 78.2 115.7 11.3

  11. AB-EPDs • Within breed EPDs are accurate predictors of purebred and crossbred performance. • AB-EPDs are most useful for selecting bulls of two or more breeds for use in crossbreeding. • Uniformity in AB-EPDs should be emphasized for rotational crossing. • Divergence in AB-EPDs should be emphasized in selection of bulls for terminal crossing or calving ease in first calf heifers.

  12. ConsiderationsforAcross-Breed Factors for Carcass Traits Cundiff and Van Vleck BIF 2006

  13. EPDs FOR CARCASS TRAITS BASED ON CARCASS (C), ULTRASOUND (U), OR COMBINED C&U ESTIMATES Marbling Fat thickness Ribeye area Breed C U C&U C U C&U C U C&U Angus X X X X X X Shorthorn X X X Charolais X X X Gelbvieh X X X Limousin X X X Hereford X X X Brangus X X X Red Angus X X X South Devon X X X Chianina X X X Salers X X X Simmental X X X

  14. Carcass traits (Regression by Breed) Breed No. Marbling Fat thickness Ribeye Angus 504 0.86  0.16 1.39  0.27 1.84  0.30 Shorthorn 96 1.96  0.44 2.29  0.64 1.55  0.75 Limousin 255 1.93  0.57 1.70  0.52 1.25  0.30 Gellbvieh 283 1.86  0.39 2.19  0.55 1.77  0.31 Red Angus 90 – – 3.35  1.02 – – All 1228 1.16  0.14 1.72  0.21 1.62  0.17

  15. Ultrasound (Regression by Breed) Breed No. Marbling Fat thickness Ribeye Hereford 401 1.12  0.42 0.80  0.58 0.64  0.47 Angus 493 0.78  0.19 2.91  0.45 0.95  0.25 Simmental 264 0.45  0.31 0.26  0.75 1.47  0.43 Limousin 255 2.35  0.57 3.13  0.99 1.10  0.27 Brangus 104 3.41  0.74 0.04  2.46 0.85  0.47 All 1517 0.95  0.15 2.41  0.31 1.01  0.15

  16. Ultrasound & Carcass (Regression by Breed) Breed No. Marbling Fat Thickness Ribeye South Devon 34 3.13  1.31 -9.43  4.65 1.29  2.99 Charolais 99 0.48  0.61 1.56  1.17 1.96  0.59 Maine Anjou 94 0.94  1.11 2.35  1.88 -2.47  1.77 Salers 84 0.29  0.27 0.73  2.10 3.39  1.79 Red Angus 90 1.05  0.31 – – 1.94  0.62 All 401 0.62  0.19 1.31  0.89 1.79  0.40

  17. Subcommittee to Develop Uniform Guidelines for Carcass Trait EPD Standards for reporting carcass EPD (slaughter steer basis, endpoint) Two-trait analyses with carcass and ultrasound records Basis for BIF Guidelines revision

More Related