Commercial Ranch Project and DNA testing

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Commercial Ranch Projectand DNA testing
John Pollak Cornell University
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The Commercial Ranch Project
Dave Nichols, Iowa
Rob Brown, Texas
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Seedstock and Commercial Programs
Seedstock cattle
Commercial cattle
EPDs Genetic programs Sire Selection
Crossbreeding Individual animal selection
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Seedstock and Commercial Programs
Seedstock cattle
Commercial cattle
Animal Identification Data collection Pedigree
recording
Multiple sire pastures No individual data or
identification
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Pilot Research Project
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Unique Experiences
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Mule Camp
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Produce 40 yearling bulls a year for the
commercial herd.
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4000 Commercial Cows
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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.
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Obstacles to Progeny Testing
Sire Identification Individual Animal
Identification Data Collection
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Steps to Genotyping
1 - Collection of DNA On bulls and on calves
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Branding
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Sample from Tail
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Hair Samples
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EIDs
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Recording
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Recording
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Frontier Beef Systems
Genetics service provider, Jim Gibb
Process DNA cards and send clips to DNA Company
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GeneSeek
Markers for Parent Identification and
mu-calpain for shear force