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Greg Highfill Area Livestock Specialist Oklahoma Cooperative Extension Service

OK Steer Feedout Utilizing Vision Image Analysis and Warner-Bratzler Shear Force Data in Educational Programming. Greg Highfill Area Livestock Specialist Oklahoma Cooperative Extension Service. Since 1984 Groups of 5 head Fall Born Test – August – Feb. Spring Born Test – Nov. - May

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Greg Highfill Area Livestock Specialist Oklahoma Cooperative Extension Service

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  1. OK Steer FeedoutUtilizing Vision Image Analysis and Warner-Bratzler Shear Force Data in Educational Programming Greg Highfill Area Livestock Specialist Oklahoma Cooperative Extension Service

  2. Since 1984 • Groups of 5 head • Fall Born Test – August – Feb. • Spring Born Test – Nov. - May • 150 – 180 Days on Feed • Grid Market – 3 of 5 est. Choice

  3. R. C. Brinlee 132 4.10 554 1288 DOF179 Carcass Wt.783Fat .35REA 13.0YG Calc 2.99USDA YG 2 Choice ° CAB Marbling Mt 60

  4. Randall Newton 57 2.86 650 1122 DOF165 Carcass Wt.690Fat .30REA 12.6YG Calc 2.24USDA YG2 Select - Marbling Sl 50

  5. Warner-Bratzler Shear Force • Since 1999 • 25% of steers • 593 steaks sampled • OSU FAPC

  6. 12.5 & up Very Tough 10.1- 12.5 Tough 8.51-10.0Tender < 8.5 lbs Very Tender R = - 0.1974

  7. Vision Image Analysis - VIA

  8. Walker Hall 26 Fat Th. .60 in.REA 11.9 sq. in. Choice ° Sterling Silver Marbling Mt 40

  9. VIA

  10. r = -0.792

  11. Vision Image Analysis • Developed to Enhance USDA Quality and Yield Grading • Approved October 2006 • Still in Implementation Stage • RMS to E+V Camera – Cargill Meat Solutions • Increase Producer Feedback • Extension programming • Value Determination

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