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R.L. Quaas31 Oct. 2006NBCEC Brown Bagger DNA Test Validation Update Dick Quaas Cornell University.

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Presentation on theme: "R.L. Quaas31 Oct. 2006NBCEC Brown Bagger DNA Test Validation Update Dick Quaas Cornell University."— Presentation transcript:

1 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger DNA Test Validation Update Dick Quaas Cornell University

2 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger Quantitative Trait DNA Tests Available Bovigen GeneSTAR®... Report # Stars & GEPD 1.GeneSTAR® Tenderness (3 SNP) 2.GeneSTAR® Quality Grade (4 SNP) 3.GeneSTAR® Feed Efficiency (4 SNP) IGENITY® Profile... 1-10 score 1.IGENITY® Tenderness (3 SNP) 2.IGENITY® Carcass Composition (5-10 SNP) MMI... MGV 1.Tru-Marbling™ (128 SNP) 2.Tru-Tenderness™ (11 SNP)

3 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger Bovigen GeneSTAR® http://www.bovigen.com/products 1.GeneSTAR® Quality Grade Marbling Score  NBCEC 2.GeneSTAR® Tenderness 14d WBSF  NBCEC 3.GeneSTAR® Feed Efficiency Intake (NFI=RFI?) not feed efficiency No request for validation

4 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger IGENITY® Profile http://www.igenity.com/ IGENITY® Carcass Composition Ribeye area Quality grade (MS) Hot carcass weight Yield grade Fat thickness Analyses in progress IGENITY® Tenderness 14d WBSF  NBCEC Feed intake/RFI panel being analyzed

5 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger MMI http://www.mmigenomics.com/products1.html Tru-Marbling™ & Tru-Tenderness™ MMI reported AAA CMP data analysis @ NCBA (see MMI website) NBCEC subsequently analyzed these data

6 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger NBCEC AAA CMP Analyses (not validation) Estimates Variance Components Variance Reduction bSEpResidualSireResidualSire"h 2 " 1:MS=CG+e7422 2:MS=CG+b x MGV+e0.470.141.3E-0372392.5% 3:MS=CG+b x MGV+Sire+e0.450.153.1E-0367619152.0%5.1%0.48 4:MS=CG+Sire+e 6901964 0.49 1:WBSF=CG+e2.13 2:WBSF=CG+b x MGV+e0.500.092.6E-081.977.8% 3:WBSF=CG+b x MGV+Sire+e0.500.097.6E-081.870.217.2%19.7%0.41 4:WBSF=CG+Sire+e 2.020.27 0.47

7 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger NBCEC AAA CMP Analyses (not validation) Estimates Variance Components Variance Reduction bSEpResidualSireResidualSire"h 2 " 1:MS=CG+e7422 2:MS=CG+b x MGV+e0.470.141.3E-0372392.5% 3:MS=CG+b x MGV+Sire+e0.450.153.1E-0367619152.0%5.1%0.48 4:MS=CG+Sire+e 6901964 0.49 1:WBSF=CG+e2.13 2:WBSF=CG+b x MGV+e0.500.092.6E-081.977.8% 3:WBSF=CG+b x MGV+Sire+e0.500.097.6E-081.870.217.2%19.7%0.41 4:WBSF=CG+Sire+e 2.020.27 0.47

8 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger NBCEC AAA CMP Analyses (not validation) Estimates Variance Components Variance Reduction bSEpResidualSireResidualSire"h 2 " 1:MS=CG+e7422 2:MS=CG+b x MGV+e0.470.141.3E-0372392.5% 3:MS=CG+b x MGV+Sire+e0.450.153.1E-0367619152.0%5.1%0.48 4:MS=CG+Sire+e 6901964 0.49 1:WBSF=CG+e2.13 2:WBSF=CG+b x MGV+e0.500.092.6E-081.977.8% 3:WBSF=CG+b x MGV+Sire+e0.500.097.6E-081.870.217.2%19.7%0.41 4:WBSF=CG+Sire+e 2.020.27 0.47

9 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger MMI http://www.mmigenomics.com/products1.html Tru-Marbling™ & Tru-Tenderness™ MMI analyzed AAA CMP data (see MMI website) NBCEC also analyzed these data Not independent validation Awaiting genotypes from MMI of ISU Angus for validation

10 R.L. Quaas31 Oct. 2006NBCEC Brown Bagger NBCEC Web Site http://www.nbcec.org/nbcec/ Click on validation tab for most recent results.

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