commercial ranch project and dna testing john pollak cornell university
TRANSCRIPT
Commercial Ranch Projectand 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
Commercialcattle
Crossbreeding
Individual animal selection
Seedstock and Commercial Programs
Seedstock cattle
Animal Identification
Data collection
Pedigree recording
Commercialcattle
Multiple sire pastures
No individual data or identification
Pilot Research Project
Cornell UniversityBell 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
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