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Darby’s efforts for genetic improvement


  • Calculate logical breeding value by BLUP1.

  • Remove PSS2 gene in whole herds to reduce PSE3 pork.

  • Set up pork improvement system for high quality pork.

  • Maintain proper backfat thickness for longevity and robustness.

  • Select replacement breeding stock for high marbling by BLUP1.

  • Maximize the genetic gain by the most number of performance tests in Korea.

  • Maximize the genetic gain by the most number of performance tests in Korea.

  • Separate calculation for maternal and paternal index.

  • Possess the largest number of breeding sows and artificial insemination boars in Korea.

Darby Genetics Breeding Pyramid


다비육종의 육종 피라미드 표

Genetic Evaluation System


  1. 1Performance test

  2. 2Data transfer

  3. 3Breeding value evaluationBLUP

  4. 4Contemporary selectionLL,YY

  5. 5Shipment (Tattoo)

  6. 6Meat quality inspection

  7. 7Data transfer

  8. 8Breeding value evaluationBLUP

  9. 9Offspring selectionDD