1. Central testing at Irene, Cedara or Elsenburg
2. Appraisal of 3 economic traits: % lean meat, feed conversion ratio, and average daily gain (ADG)
3. Testing starts at 27 kg and ends at 86 kg, with pigs fed a standardised pelleted ration and weighed weekly, plus 2 backfat measurements taken at 77 and 86 kg