1. Commercial Ranch Project and DNA testing John Pollak Cornell University

2. The Commercial Ranch Project Dave Nichols, Iowa Rob Brown, Texas

3. Seedstock and Commercial Programs Seedstock cattle EPD’s Genetic programs Sire Selection Commercial cattle Crossbreeding Individual animal selection

4. Seedstock and Commercial Programs Seedstock cattle Animal Identification Data collection Pedigree recording Commercial cattle Multiple sire pastures No individual data or identification

5. Pilot Research Project Cornell University Bell Ranch

6. Unique Experiences

7. Mule Camp Seedstock Division

8. Produce 40 yearling bulls a year for the commercial herd.

9. 4000 Commercial Cows

10. Progeny Testing Commercial Bulls The commercial ranch project centers on the progeny test of commercial bulls. In the case of the Bell Ranch, the focus is on the 40 yearlings.

11. Obstacles to Progeny Testing Sire Identification Individual Animal Identification Data Collection

12. Steps to Genotyping 1 - Collection of DNA On bulls and on calves

13. Branding

14. Sample from Tail

15. Hair Samples

16. EID’s

17. Recording

19. Frontier Beef Systems Genetics service provider, Jim Gibb Process DNA cards and send clips to DNA Company

20. GeneSeek Markers for Parent Identification and mu-calpain for shear force