it’s a six star steak debbie mcallister penn state university 2005
DESCRIPTION
~30,000 genesTRANSCRIPT
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It’s A Six Star Steak
Debbie McAllisterPenn State University
2005
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The Future is Here• Genetic Solutions
– Australia
• Bovigen Solutions, LLC– United States
• Offering commercial DNA tests for marbling, tenderness, traceability, coat color and paternity
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~30,000 genes
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The Reasoning• Top two quality
concerns in NCBA 2000 Quality Audit
• Allows producers to select for traits that are difficult and expensive to measure, but economically important
Executive Summary of the 2000 NCBA Quality Audit
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Marbling• First gene marker for
production trait in beef cattle
• Tests for favorable alleles of the Thyroglobulin gene on chromosome 14– TG5 single nucleotide
polymorphism fragment
• Thyroglobulin is involved in creating fat cells within fibers
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Marbling and Grades
Click to add textClick to add text A B C EDAbundantAbundant
Mod. Abund.Mod. Abund.Sl. Abund.Sl. Abund.ModerateModerate
ModestModestSmallSmallSlightSlight
TracesTracesPract. Dev.Pract. Dev.
Marbling
Maturity
Prime
Choice
SelectStandard
Commercial
Utility
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Marbling and Grades
Bovigen Solutions, LLC
Group 1 – yearlings Group 2 – calves Group 3 - NBCEC
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Marbling and Breeds
0% 2-STAR 90+% 0-STAR
~40% 2-STAR
ww
w.b
eef.
crc.
org.
au
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Marbling and Breeds
• Japanese Black Wagyu cattle– Breed leader for marbling– Kobe beef– Steaks sell for $120-250
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Tenderness• Tests for alleles of
Calpastatin and Calpain genes
• The Calpain gene weakens muscle fibers during post mortem aging
• The Calpastatin gene is a naturally occurring enzyme that inhibits Calpain
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A Perfect 6• Herd
improvement
• Tailor products to different markets
• Consumer satisfaction
Summitcrest Star Power
HML Garder
M CALP CALPST
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Reaching for the stars…“A quality herd means a quality steak, customer satisfaction and a premium that is felt all the way through the supply chain.” - Jason Strong
Genetic Solutions Sales & Marketing Manager
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THANK YOU!
Questions??