heritability estimates for number born ( nb ) , number born alive ( nba ) , total birth weight of live pigs ( bwlit ) , litter weight at 3 wk ( wt3wk ) , sow weight at parturition ( wtdampar ) and sow weight at weaning ( wtdamwn ) were .24 +/- .14 , .21 +/- .14 , .42 +/- .16 , .19 +/- .14 , .72 +/- .21 and .42 +/- .18 , respectively , for yorkshires and .05 +/- .10 , .04 +/- .10 , .21 +/- .14 , .25 +/- .15 , .85 +/- .25 and .87 +/- .26 , respectively , for the durocs .
C0005612
weight
C0005910
weight