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A mild deficiency of zinc during a pregnancy could cause increased maternal morbidity, abnormal taste sensation, prolonged gestation, inefficient labor, atonic bleeding, and an increased risk to fetuses (Jameson, 1993).
The above suggests that prolonged gestation resulted in greater calving difficulty, higher stillbirth rates and longer placenta expulsion time.
Champions Day It had a troubled and prolonged gestation period, but when it arrived it couldn't have been any better.