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Developed by: Richard Coffey, Extension Swine Specialist, University of Kentucky

Quiz for Swine EPDs. Developed by: Richard Coffey, Extension Swine Specialist, University of Kentucky Kevin Laurent, Extension Associate, University of Kentucky Warren Beeler, Kentucky Department of Agriculture. Edited for Georgia by Frank B. Flanders

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Developed by: Richard Coffey, Extension Swine Specialist, University of Kentucky

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  1. Quiz for Swine EPDs Developed by: Richard Coffey, Extension Swine Specialist, University of Kentucky Kevin Laurent, Extension Associate, University of Kentucky Warren Beeler, Kentucky Department of Agriculture Edited for Georgia by Frank B. Flanders Georgia Agriculture Education Curriculum Office March 2002

  2. Important EPDs for Swine Unit of Change Impact EPD More lambs = more lamb production per ewe No. of pigs born (NBA) Lambs 21-day litter weight (21-DLW) More lbs = more sow milk production More lbs = heavier pig weaning weight Pounds (lbs) Fewer days = faster pig growth Fewer days = fewer days to market Days to 260 LBS (DAYS) Days Inches (in) Fewer in = less fat in carcass Backfat (BF) Loin eye area (LEA) More in2 = heavier muscled pigs Inches2

  3. Sow D - she has the highest no. pigs born alive (NBA) EPD Question 1 Which sow will have the largest litter? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  4. Sow B - she has the highest 21-day litter weight (21-DLW) EPD Question 2 Which sow is the heaviest milking? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  5. Sow B - she has the lowest loin eye area (LEA) EPD Question 3 Which sow’s pigs will be the lightest muscled? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  6. Sow A - she has the highest days to 260 lbs (DAYS) EPD Question 4 Which sow’s pigs will be the oldest at 260 pounds? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  7. Sow B - she has the highest backfat (BF) EPD Question 5 Which sow’s pigs will be the fattest? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  8. Sow B - she has the lowest no. pigs born alive (NBA) EPD Question 6 Which sow will have the fewest pigs at birth? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  9. Sow B - she has the highest 21-day litter weight (21-DLW) EPD Question 7 Which sow’s litter will be the heaviest at weaning? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  10. Sow C - she has the lowest backfat (BF) and the highest loin eye area (LEA) EPDs Question 8 Which sow’s pigs will have the highest percentage carcass lean? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  11. Sow C - she has the lowest days to 260 lbs (DAYS) EPD Question 9 Which sow’s pigs will be the fastest growing? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

  12. Sow C - she has the highest loin eye area (LEA) EPD Question 10 Which sow’s pigs will have the largest pork chops? Days to 260 LBS (DAYS) 21-day litter weight (21-DLW) No. pigs born alive (NBA) Ewe Loin Eye Area (LEA) Backfat (BF) A +0.2 -3.0 +0.1 -0.01 +0.6 B -0.3 +4.2 -3.1 +0.07 -0.4 C +0.4 +3.2 -3.8 -0.09 +0.8 D +0.6 +1.4 -2.2 0.00 +0.3

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