DNA Test Validation Update

1. DNA Test Validation Update Dick Quaas Cornell University NBCEC Brown Bagger

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

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

4. 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 IGENITY® Profilehttp://www.igenity.com/ NBCEC Brown Bagger

5. 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 NBCEC Brown Bagger

6. NBCEC AAA CMP Analyses(not validation) NBCEC Brown Bagger

7. NBCEC AAA CMP Analyses(not validation) NBCEC Brown Bagger

8. NBCEC AAA CMP Analyses(not validation) NBCEC Brown Bagger

9. MMIhttp://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 NBCEC Brown Bagger

10. NBCEC Web Site • http://www.nbcec.org/nbcec/ • Click on validation tab for most recent results. NBCEC Brown Bagger