body measurements ( heart and paunch girths , wither height , chest depth , pelvic length and width , and body length ) , body weight , and calving evaluation data ( calf birth weight , calf sex , calf presentation , and calving assistance needed ) were collected from 1974 parities of 762 holstein cows between 1968 and 1986 .
C0005910
body weight
C0005612
birth weight