Which of the following statements about colostrum is correct:

a. colostrum is low in protein and maternal antibodies
b. colostrum is the breast milk produced one week after birth
c. colostrum is a thick, yellow liquid that is rich in iron and zinc
d. colostrum serves as a laxative in infants to clear the meconium

d.. Colostrum serves as a laxative in infants to clear the meconium

Explanation:

Colostrum is the first milk produced just after the delivery.It contains higher amount of proteins and antibodies .Colostrum provides high concentration of nutrients in low volumes to the  immature digestive system of the new born.Colostrum also provides antibodies to the newborn to fight diseases.Colostrum is a mild laxative and helps in passing of the baby's first stool called Meconium.Colostrum also provides several  growth factors which are necessary in the development of the new born.