Table 4.

Summary statistics of observed variables in the combined parity dataset

Parameter	N	Mean	SD	Min	Max
Mature cow weight, kg	312	527	86	328	901
Dam milk energy yield, Mcal	286	1,029	529	188	2,759
Dam feed ME intake, Mcal	312	9,584	2,701	4,483	19,263
Progeny weaning weight, kg	312	291	47	182	405
Progeny feed ME intake, Mcal	312	1,295	328	412	2,377
Dam efficiency, Mcal/kg	312	32.78	7.00	18.87	59.71

ME, metabolizable energy.