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The effect of winter weight loss in Hereford cows on calf birth weight and performance to weaning was examined over a period of 4 yr. The average winter weight loss of cows (60 + 36.2 kg mean += SD) over the period of this study had a significant effect (P < 0.001) on calf birth weight, but no...
1233 April/May born calves were weaned either on 30 Sept. (EW) or 31 Oct. (LW) to assess the effects of weaning date on subsequent performance of their dams and female calves. Cows in the EW group lost less weight than those in the LW group in the month of October (0.003 vs. 0.48 kg d−1, P <...