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。
2
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。
3
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.