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Results of SCBA Sire Test in Paraguay John D. Hough, Ph.D., EPD International, Statham, Georgia J. Keith Bertrand, Ph.D., University of Georgia, Athens, Georgia José Pereira, Ganadera Sesenta y Tres, Asuncion, Paraguay November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 2 Objectives… Evaluate specific US sires for growth and carcass traits Generate ultrasound measurements to calculate carcass EPDs, as well as birth, weaning and yearling EPDs Demonstrate the production of Senepol- sired calves in South America November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 3 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 4 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 5 Introduction November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 6 Project partially funded by USDA-FAS through USLGE In 1998 Jerry White initiated and oversaw the project Keith Bertrand set up designed project Matings were stratified across herd, breed of dam and age of dam Maintaining “connectedness” for the genetic analysis was utmost priority José Pereira managed project in Paraguay November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 7 Materials and Methods November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 8 Semen from 10 US Sires sent to Paraguay late 1998 Bred to native cows on 3 Paraguayan Ranches Calves born in 59-day period between August 14 and October 12, 1999 337 calves were produced 34 calves per sire Calves weaned at 222 ± 16 days Yearling weights collected at 404 ± 13 days November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 9 Ultrasound data collect at 653 ± 13 days Calves managed under commercial Paraguayan conditions No creep feed All males were castrated Ultrasound collected by BIF / AUP certified technician, Rethel King Aloka 500V machine Designer Genes Automated Software November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 10 Traits Measured Birth Weight Weaning Weight Yearling Weight Ultrasound Fat Thickness Ultrasound Ribeye Area Ultrasound Intramuscular Fat November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 11 Calves per Herd Herd ID Calves Ganadera 63 G 168 Paraguay Holding P 78 Sosa S 91 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 12 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 13 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 14 Sires Represented Reg. Num. Name ID 1076492 ASL CR DUTCHMAN 26E 26E 1062010 CN 5562 5562 1063123 HBC CHIEF RENEGADE Renegade 1064154 WC 850 850 1067681 CN 5825C 5825C 1072179 CN 5938D 5938D 1072703 CN 5991D 5991D 1073416 HBC HOT STUFF 8E 8E 1079233 NOCONA Nocona 1080307 MAGNUM 27 Magnum November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 15 Data Summary November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 16 Number of Progeny per Sire Sire Progeny 26E 34 5562 40 5825C 42 5938D 37 5991D 31 850 36 8E 26 Magnum 33 Nocona 36 Renegade 22 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 17 Number of Progeny per Sex Sex Calves Females 178 Steers 159 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 18 Calves per Age of Dam Age Age of Dam (years) Day Range Calves 3 1004-1338 298 4 1339-1703 24 5 1704+ 15 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 19 Calves per Dam Breed (CGroup) Dam Breed CGroup Code Frequency BR57_SG29_SI14 G_1 61 SI57_BR29_SG14 G_2 87 SG100 G_3 20 BR50_AN50 P_4 62 BR75_AN25 P_5 16 AN75_BR25 S_6 91 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 20 Calves per Sire & Herd Herd _ Sire G P S Total 26E 34 0 0 34 5562 30 10 0 40 5825C 0 18 24 42 5938D 18 0 19 37 5991D 14 17 0 31 850 36 0 0 36 8E 9 0 17 26 Magnum 10 5 18 33 Nocona 17 19 0 36 Renegade 0 9 13 22 Total 168 78 91 337 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 21 Calves per Sire & Breed of Dam (CGroup) Breed of Dam (CGroup) AN75_BR25 BR50_AN50 BR57_SG29_SI14 BR75_AN25 SG100 SI57_BR29_SG14 Total Sire S_6 P_4 G_1 P_5 G_3 G_2 26E 0 0 16 0 0 18 34 5562 0 0 0 10 10 20 40 5825C 24 18 0 0 0 0 42 5938D 19 0 18 0 0 0 37 5991D 0 17 0 0 0 14 31 850 0 0 18 0 0 18 36 8E 17 0 9 0 0 0 26 Magnum 18 0 0 5 10 0 33 Nocona 0 19 0 0 0 17 36 Renegade 13 8 0 1 0 0 22 Total 91 62 61 16 20 87 337 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 22 Calves per Age of Dam & Herd Herd Age of Dam G P S Total 3 156 51 91 298 4 2 22 0 24 5 10 5 0 15 Total168 78 91 337 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 23 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 24 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 25 Measurement Statistics Variable N Mean StdDev Min Max Bwt 337 72.13 9.54 46 97 Wnwt 318 412.1 52.3 273 595 WnAge 318 222.07 16.10 178 250 Yrwt 264 550.2 103.4 340 904 YrAge 264 404.19 12.71 369 427 USwt 305 795.0 124.5 534 1202 USAge 305 653.04 12.57 619 676 USFat 305 0.1341 0.0518 0.03 0.37 USREA 305 8.955 1.448 5.7 13.0 USIMF 305 3.252 0.962 1.74 6.88 DamAgeD 337 1176.8 254.4 1058 2956 DamAgeY 337 3.160 0.474 3 5 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 26 Statistical Model November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 27 Statistical Model and Significant Effects Effect Bwt Wnwt Yrwt Fat REA IMF Sire * *** *** * ns ns Sex ns + ns ns ns ns CGroup * *** *** ns ns ns DamAge ns ** + ns ns ns Sex*CGroup ns *** X *** * * Sex*DamAge + ns X ns ns ns WnAge (cov) X *** X X X X YrAge (cov) X X *** X X X USAge (cov) X X X ns ns ns ActUSWt (cov) X X X ns *** ns X=Effect not utilized in model, ns=P>.10, +P<.10, * = P<.05, ** = P<.01, *** = P<.001 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 28 Results and Discussion November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 29 Sire Birth Weight LS Means and EPDs Sire LSMean Std Error EPD _ 5825C 70.74 1.96 -0.1 5991D 70.76 2.35 -0.3 5562 70.90 1.93 -0.1 Renegade 73.28 2.37 3.3 5938D 74.18 2.07 1.7 850 75.95 2.10 2.8 8E 76.08 2.27 2.7 Nocona 76.08 2.14 3.5 Magnum 76.14 2.08 2.6 26E 77.75 2.14 3.0 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 30 Sire Weaning Weight LS Means and EPDs Sire LSMean Std Error EPD _ 5938D 436.3 8.5 29.1 850 423.9 8.6 12.3 26E 423.3 8.6 14.0 Nocona 418.6 8.7 13.6 5562 413.7 7.7 8.2 8E 409.1 9.0 11.7 5825C 400.6 7.9 7.9 Magnum 400.6 8.3 3.0 5991D 393.7 9.6 3.7 Renegade 372.8 9.5 5.2 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 31 Sire Yearling Weight LS Means and EPDs Sire LSMean Std Error EPD _ Nocona 567.8 11.5 17.7 5562 566.5 9.7 9.8 850 563.1 11.3 11.5 Magnum 560.3 11.7 5.6 26E 555.0 11.5 16.0 5938D 549.8 13.6 33.4 5991D 533.3 12.4 6.1 8E 527.5 14.1 12.3 5825C 523.0 11.7 9.9 Renegade 510.5 12.3 11.3 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 32 Sire US Fat Thickness LS Means and EPDs Sire LSMean Std Error EPD _ 5938D 0.1032 0.0106 -0.008 26E 0.1108 0.0109 -0.004 8E 0.1111 0.0115 -0.005 5825C 0.1117 0.0099 -0.007 Renegade 0.1181 0.0118 -0.005 Nocona 0.1222 0.0109 0.001 850 0.1228 0.0106 0.006 5991D 0.1296 0.0118 0.004 5562 0.1362 0.0095 0.006 Magnum 0.1564 0.0108 0.017 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 33 Sire US Ribeye Area LS Means and EPDs Sire LSMean Std Error EPD _ 850 9.574 0.305 0.43 5991D 9.354 0.339 0.15 5562 9.294 0.273 0.20 26E 9.245 0.313 0.21 5938D 9.168 0.305 0.29 Nocona 9.164 0.314 0.18 5825C 9.024 0.285 -0.02 Magnum 8.764 0.311 0.01 Renegade 8.481 0.340 -0.23 8E 8.471 0.330 -0.21 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 34 Sire US IM Fat LS Means and EPDs Sire LSMean Std Error EPD _ 5825C 3.470 0.206 0.36 5991D 3.344 0.246 0.20 Magnum 3.285 0.226 0.10 5562 3.215 0.198 0.11 850 3.210 0.221 0.10 5938D 3.128 0.221 0.03 8E 3.061 0.239 0.02 Renegade 2.931 0.247 -0.10 26E 2.900 0.227 -0.16 Nocona 2.844 0.228 -0.19 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 35 Level of Significance for Sire EPDs Predicting LS means Variable Significance Level Bwt 0.0010 Wnwt 0.0059 Yrwt 0.6483 Fat <.0001 REA <.0001 IMF <.0001 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 36 Correlation Coefficients Between Sire EPDs and LS Means Trait Correlation Bwt 0.87*** Wnwt 0.80** Yrwt 0.17 Fat 0.96*** REA 0.94*** IMF 0.98*** November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 37 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 38 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 39 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 40 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 41 Summary… • Research / demonstration project was considered extremely successful • Significant sire differences were shown for most traits • Results very highly correlated to EPDs from National Genetic Evaluation • Yearling weight least correlated trait to EPDs November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 42 Summary (cont)… • Carcass EPDs generated from this project have been very well received • Distribution of Senepol genetics throughout South America have been a direct result of this project November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 43 Working Crew November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 44 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 45 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 46 US - Paraguayan Commerce November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 47 November 8-9, 2002 Paraguay Sire Test-- Senepol Symposium 48