Arkansas 4H Livestock Skillathon. Meat and Carcass Evaluation. Use the photo of the class of pork chops to answer the following questions.

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1 Team Name: Arkansas 4H Livestock Skillathon Meat and Carcass Evaluation Use the photo of the class of pork chops to answer the following questions. (50 points) Place the class of pork chops (10 points) Which cut has the most fat over the tail? (5) 2. Between cuts 1 and 2, which has the largest tenderloin? (5) 3. Between cuts 1 and 2, which has the greatest muscle to bone ratio? (5) 4. Which cut has the darkest tenderloin? (5) 5. Which cut has the least fat over the loineye? (5) 6. Between cuts 3 and 4, which has the greatest amount of marbling? (5) 7. Between cuts 2 and 3, which has the longest tail? (5) 8. Between cuts 1 and 4, which was the most posterior on the loin? (5) Use the beef carcass photos and the beef pricing grid to answer the following questions. (75 points) 1. Use the transparent grid to answer the following questions about Yield grading Carcass 1 (20 points) a. What is the PYG of Carcass 1? (2) b. What is the Ribeye Area of Carcass 1? (2) c. If the carcass weight was 725, what would be the required ribeye area of Carcass 1? (2) d. How much will you adjust the Yield grade for ribeye area? (2) e. If the KPH was 2.0%, what would the yield grade adjustment be? (2) f. What is the final yield grade of Carcass 1? (10) 1

2 Team Name: 2. Assuming Carcass 1 is an A maturity carcass, circle its Quality grade? (5 points) Low Standard Low Select Low Choice Low Prime High Standard High Select Average Choice Average Prime High Choice High Prime 3. Assuming Carcass 2 is an A maturity carcass, circle its Quality grade? (5 points) Low Standard Low Select Low Choice Low Prime High Standard High Select Average Choice Average Prime High Choice High Prime 4. Use the pricing grid to determine which of the following carcasses has the highest price: Carcass A Quality grade: Low Choice Yield Grade: 3.5 Carcass weight: 800 lbs No defects Carcass Price: (5) Circle the carcass with the highest carcass price (5): Carcass A Carcass B Quality grade: High Choice Yield Grade: 2.5 Carcass weight: 950 lbs Bruise Carcass Price: (5) Carcass B 5. What is the defect of Carcass 3? (5 points) 6. If Carcass 3 was had a quality grade of low Choice, a yield grade of 2.5, and weighed 750 lbs, what would be its carcass price? (5 points) 7. What is the defect of Carcass 4? (5 points) 8. If Carcass 4 was had a marbling score of Small 50, circle the quality grade. (5 points) Prime Choice Select Standard Commercial Utility 9. If Carcass 4 had a yield grade of 3.2 and weighed 825 lbs, what is its carcass price? (5 points) 10. What would be the name of the defect of a carcass from a Holstein steer? This carcass would have a triangular, narrow ribeye, a large rib cage, and a lightly muscled round and chuck. How much of a discount would this carcass receive? (5 points) 2

3 Team Name: KEY and Notes for Arkansas 4H Livestock Skillathon Meat and Carcass Evaluation Use the photo of the class of pork chops to answer the following questions. (50 points) Place the class of pork chops (10 points) _1_-_3_-_2_-_4 I would score this like a regular class then divide by 5. So a 50 would be a 10, a 45 would be a 9, etc 1. Which cut has the most fat over the tail? 2 (5) 2. Between cuts 1 and 2, which has the largest tenderloin? 1 (5) 3. Between cuts 1 and 2, which has the greatest muscle to bone ratio? 1 (5) 4. Which cut has the darkest tenderloin? 1 (5) 5. Which cut has the least fat over the loineye? 1 (5) 6. Between cuts 3 and 4, which has the greatest amount of marbling? 3 (5) 7. Between cuts 2 and 3, which has the longest tail? 2 (5) 8. Between cuts 1 and 4, which was the most posterior on the loin? 1 (5) Use the beef carcass photos and the beef pricing grid to answer the following questions. (75 points) 1. Use the transparent grid to answer the following questions about Yield grading Carcass 1 (20 points) a. What is the PYG of Carcass 1? _3.2 (2) Maybe give 1 point if between 3.0 and 3.4? b. What is the Ribeye Area of Carcass 1? _12.7 (2) I would give 2 pnts for , 1 for c. If the carcass weight was 725, what would be the required ribeye area of Carcass 1? _12.5 (2) d. How much will you adjust the Yield grade for ribeye area? (2) I would do the math and give the credit for correct answer even if they missed b. e. If the KPH was 2.0%, what would the yield grade adjustment be? -0.3 (2) f. What is the final yield grade of Carcass 1? (10) I would give 10 points for the right answer and take away 1 point for every 0.1 away from the right answer. 3

4 Team Name: 2. Assuming Carcass 1 is an A maturity carcass, circle its Quality grade? (5 points) Low Standard Low Select Low Choice 3pt Low Prime High Standard High Select Average Choice 5pt Average Prime High Choice 3pt High Prime 3. Assuming Carcass 2 is an A maturity carcass, circle its Quality grade? (5 points) Low Standard High Standard 3pt Low Select 5pt High Select 3pt Low Choice Average Choice High Choice Low Prime Average Prime High Prime 4. Use the pricing grid to determine which of the following carcasses has the highest price: Carcass A Quality grade: Low Choice Yield Grade: 3.5 Carcass weight: 800 lbs No defects Carcass Price: $205 (5) Carcass B Quality grade: High Choice Yield Grade: 2.5 Carcass weight: 950 lbs Bruise Carcass Price: $200 (5) Circle the carcass with the highest carcass price (5): Carcass A Carcass B 5. What is the defect of Carcass 3? _Blood splash_(5 points) 6. If Carcass 3 was had a quality grade of low Choice, a yield grade of 2.5, and weighed 750 lbs, what would be its carcass price? $167 (5 points) 7. What is the defect of Carcass 4? Hardbone (5 points) 8. If Carcass 4 was had a marbling score of Small 50, circle the quality grade. (5 points) Prime Choice Select Standard Commercial Utility 9. If Carcass 4 had a yield grade of 3.2 and weighed 825 lbs, what is its carcass price?_$166 (5 points) 10. What would be the name of the defect of a carcass from a Holstein steer? This carcass would have a triangular, narrow ribeye, a large rib cage, and a lightly muscled round and chuck. How much of a discount would this carcass receive? $3 (5 points) 4

6 Carcass 1

7 Carcass 2

8 Carcass 3

9 Carcass 4

10 Arkansas 4H Livestock Skillathon Beef Carcass Pricing Sheet Base Price ($/cwt) Dark cutter/ Prime Choice +, Choice - Select Standard Hardbone blood splash YG 1 $222 $213 $208 $189 $179 $166 $167 YG 2 $220 $211 $206 $184 $178 $166 $167 YG 3 $219 $210 $205 $183 $176 $166 $167 YG 4 $206 $200 $193 $173 $166 $156 $157 YG 5 $187 $195 $189 $168 $161 $151 $152 Discounts ($/cwt) Carcass Weight <499 ($26) 500 to 549 ($23) 550 to 599 ($3) 900 to 999 ($1) 1000 to 1050 ($3) 1050 and up ($23) Dairy type ($3) Bruise ($10)

4 H Livestock skills Meat Evaluation Beef Yield Equations FTh 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0 1.2 1.6 PYG 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.50 5.00 5.50 CWT RREA Wt.

11 4 H Livestock skills Meat Evaluation Beef Yield Equations FTh PYG CWT RREA Wt. +RREA KPH Adj REA Adjustment = (RREA - Actual REA) x 0.3 FYG = PYG + REA Adj + KPH Adj

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