As we get older the digestive system functions with gradually reducing efficiency.

随着我们年龄的逐渐减少效率消化系统的功能。

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However, iron drops and iron-fortified foods sometimes cause digestive upsets when given to babies and can actually reduce the efficiency of iron absorption.

但含铁滴液和铁强化食品有时会导致宝宝消化紊乱，也会降低铁的吸收功效。

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Results showed that the diets significantly affected food ingestion rate, feces production rate, food conversion efficiency and apparent digestive ratio, hence the growth and energy budget.

结果表明，饲料显著影响刺参的摄食率、排粪率、食物转化效率和表观消化率，因此影响到刺参的生长和能量分配。

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