Swine Growth No. born alive Days to 230 Lbs Backfat depth Surv. to Market born Days B.F. Surv Yorkshire Landrace Hampshire Duroc pigs Lbs in % 10.2 0 0 0 0 0 0 0 10.4 0 0 0 0 0 0 0 7.7 0 0 0 0 0 0 0 8.5 0 0 0 0 0 0 0 Standard Deviations 2.5 0 0 0 Heritabilities .15 0 0 0 Economic weights 1 0 0 0 Selection Index weights 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 10 200 .8 .667 2 .667 4 .95 .9