Progeny were slaughtered in 3 groups at an average 12th rib fat thickness of 1.3 cm. From initiation of experiment, to breeding. Cow BW change was greater (P < 0.01) and BCS change tended to be greater (P = 0.09) for HE relative to REQ cows. Birth BW was. Greater (P = 0.02) for calves born to cows fed HE with no increase (P = 0.30) in percentage of unassisted births.
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