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31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
DNA Test Validation Update
Dick Quaas Cornell University
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
Quantitative Trait DNA Tests Available
Bovigen GeneSTAR® ... Report # Stars & GEPD1. GeneSTAR® Tenderness (3 SNP)2. GeneSTAR® Quality Grade (4 SNP)3. GeneSTAR® Feed Efficiency (4 SNP)
IGENITY® Profile ... 1-10 score1. IGENITY® Tenderness (3 SNP)2. IGENITY® Carcass Composition (5-10 SNP)
MMI ... MGV1. Tru-Marbling™ (128 SNP)2. Tru-Tenderness™ (11 SNP)
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
Bovigen GeneSTAR®http://www.bovigen.com/products
1. GeneSTAR® Quality Grade Marbling ScoreNBCEC
2. GeneSTAR® Tenderness14d WBSFNBCEC
3. GeneSTAR® Feed EfficiencyIntake (NFI=RFI?) not feed efficiencyNo request for validation
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
IGENITY® Profilehttp://www.igenity.com/
IGENITY® CarcassComposition
Ribeye area Quality grade (MS)Hot carcass weight Yield grade Fat thickness
Analyses in progress
IGENITY® Tenderness14d WBSFNBCEC
Feed intake/RFI panel being analyzed
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
MMIhttp://www.mmigenomics.com/
products1.html
Tru-Marbling™ & Tru-Tenderness™
MMI reported AAA CMP data analysis @ NCBA (see MMI website)
NBCEC subsequently analyzed these data
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
NBCEC AAA CMP Analyses(not validation)
Estimates Variance
ComponentsVariance Reduction
b SE p Residual Sire Residual Sire "h2"
1:MS=CG+e 7422
2:MS=CG+b x MGV+e 0.47 0.14 1.3E-03 7239 2.5%
3:MS=CG+b x MGV+Sire+e 0.45 0.15 3.1E-03 6761 915 2.0% 5.1% 0.48
4:MS=CG+Sire+e 6901 964 0.49
1:WBSF=CG+e 2.13
2:WBSF=CG+b x MGV+e 0.50 0.09 2.6E-08 1.97 7.8%
3:WBSF=CG+b x MGV+Sire+e 0.50 0.09 7.6E-08 1.87 0.21 7.2% 19.7% 0.41
4:WBSF=CG+Sire+e 2.02 0.27 0.47
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
NBCEC AAA CMP Analyses(not validation)
Estimates Variance
ComponentsVariance Reduction
b SE p Residual Sire Residual Sire "h2"
1:MS=CG+e 7422
2:MS=CG+b x MGV+e 0.47 0.14 1.3E-03 7239 2.5%
3:MS=CG+b x MGV+Sire+e 0.45 0.15 3.1E-03 6761 915 2.0% 5.1% 0.48
4:MS=CG+Sire+e 6901 964 0.49
1:WBSF=CG+e 2.13
2:WBSF=CG+b x MGV+e 0.50 0.09 2.6E-08 1.97 7.8%
3:WBSF=CG+b x MGV+Sire+e 0.50 0.09 7.6E-08 1.87 0.21 7.2% 19.7% 0.41
4:WBSF=CG+Sire+e 2.02 0.27 0.47
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
NBCEC AAA CMP Analyses(not validation)
Estimates Variance
ComponentsVariance Reduction
b SE p Residual Sire Residual Sire "h2"
1:MS=CG+e 7422
2:MS=CG+b x MGV+e 0.47 0.14 1.3E-03 7239 2.5%
3:MS=CG+b x MGV+Sire+e 0.45 0.15 3.1E-03 6761 915 2.0% 5.1% 0.48
4:MS=CG+Sire+e 6901 964 0.49
1:WBSF=CG+e 2.13
2:WBSF=CG+b x MGV+e 0.50 0.09 2.6E-08 1.97 7.8%
3:WBSF=CG+b x MGV+Sire+e 0.50 0.09 7.6E-08 1.87 0.21 7.2% 19.7% 0.41
4:WBSF=CG+Sire+e 2.02 0.27 0.47
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
MMIhttp://www.mmigenomics.com/
products1.html
Tru-Marbling™ & Tru-Tenderness™
MMI analyzed AAA CMP data (see MMI website)
NBCEC also analyzed these dataNot independent validation
Awaiting genotypes from MMI of ISU Angus for validation
31 Oct. 2006 NBCEC Brown Bagger R.L. Quaas
NBCEC Web Site
http://www.nbcec.org/nbcec/
Click on validation tab for most recent results.
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