Commercial Ranch Project and DNA testing John Pollak Cornell University.

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Presentation transcript:

Commercial Ranch Project and DNA testing John Pollak Cornell University

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

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

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

Pilot Research Project Cornell University Bell Ranch

Unique Experiences

Mule Camp Seedstock Division

Produce 40 yearling bulls a year for the commercial herd.

4000 Commercial Cows

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.

Obstacles to Progeny Testing Sire Identification Individual Animal Identification Data Collection

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

Branding

Sample from Tail

Hair Samples

EID’s

Recording

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

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